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Sports·MLB

Athletics – Kansas City Royals

3h 47m 58s
Polymarket
Athletics
Athletics
11:40 PMAugust 18
Royals
Royals
$62.01K Vol.Polymarket

Moneyline

$23.0K Vol.

Spreads

$4.6K Vol.

Totals

$31.0K Vol.

Will there be a run in the first inning?

$3.5K Vol.

Extra Innings

$0 Vol.

In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40PM ET: This market will resolve to "Athletics" if the Athletics win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Athletics" if the Athletics is winning the game at the conclusion of the 5th inning. This market will resolve to "Kansas City Royals" if the Kansas City Royals is winning the game at the conclusion of the 5th inning. If the game is tied at the conclusion of the 5th inning, this market will resolve to "Draw". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if Jonah Heim records more than 0.5 home runs during the game. This market will resolve to "Under" if Jonah Heim records less than 0.5 home runs during the game. The entire game including all extra innings will be considered. If the player is listed as inactive or otherwise does not take the field at any point, the market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game by 2 or more runs. Otherwise, this market will resolve to "Athletics". If the game ends in a tie, this market will resolve to "Athletics". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game by 3 or more runs. Otherwise, this market will resolve to "Athletics". If the game ends in a tie, this market will resolve to "Athletics". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Athletics" if the Athletics win the game by 2 or more runs. Otherwise, this market will resolve to "Kansas City Royals". If the game ends in a tie, this market will resolve to "Kansas City Royals". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Athletics" if the Athletics win the game by 3 or more runs. Otherwise, this market will resolve to "Kansas City Royals". If the game ends in a tie, this market will resolve to "Kansas City Royals". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if Jonah Heim records more than 1.5 home runs during the game. This market will resolve to "Under" if Jonah Heim records less than 1.5 home runs during the game. The entire game including all extra innings will be considered. If the player is listed as inactive or otherwise does not take the field at any point, the market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 11 or more runs in this game. If the combined total is less than 11, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 10 or more runs in this game. If the combined total is less than 10, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 12 or more runs in this game. If the combined total is less than 12, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if Lawrence Butler records more than 0.5 home runs during the game. This market will resolve to "Under" if Lawrence Butler records less than 0.5 home runs during the game. The entire game including all extra innings will be considered. If the player is listed as inactive or otherwise does not take the field at any point, the market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Yes" if at least one run is scored in the 1st inning by either the Athletics or Kansas City Royals. This market will resolve to "No" if no runs are scored in the 1st inning by either team. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if Lawrence Butler records more than 1.5 home runs during the game. This market will resolve to "Under" if Lawrence Butler records less than 1.5 home runs during the game. The entire game including all extra innings will be considered. If the player is listed as inactive or otherwise does not take the field at any point, the market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals is winning the game by 2 or more runs at the conclusion of the 5th inning. Otherwise, this market will resolve to "Athletics". If the game is tied at the conclusion of the 5th inning, this market will resolve to "Athletics". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Athletics" if the Athletics is winning the game by 2 or more runs at the conclusion of the 5th inning. Otherwise, this market will resolve to "Kansas City Royals". If the game is tied at the conclusion of the 5th inning, this market will resolve to "Kansas City Royals". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 3 or more runs by the conclusion of the 5th inning. If the combined total is less than 3, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 4 or more runs by the conclusion of the 5th inning. If the combined total is less than 4, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 5 or more runs by the conclusion of the 5th inning. If the combined total is less than 5, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 6 or more runs by the conclusion of the 5th inning. If the combined total is less than 6, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 7 or more runs by the conclusion of the 5th inning. If the combined total is less than 7, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Yes" if the game goes to extra innings. This market will resolve to "No" if the game is completed without going to extra innings. For the purposes of this market, a game goes to extra innings if play begins in any inning after the scheduled regulation innings for that game, such as the 10th inning in a standard 9-inning MLB game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. If the game ends in a tie before extra innings are played, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.The Royals enter the series with a 1-0 lead after a 9-5 home win on August 17, powered by Bobby Witt Jr.'s multi-hit effort including a two-run homer. Both clubs sit well out of playoff position, with the Athletics at 49-76 in the AL West and the Royals at 52-74 in the AL Central, reflecting ongoing rebuilds marked by inconsistent results and defensive vulnerabilities. Kansas City's home stand at Kauffman Stadium offers a modest edge through familiarity and bullpen depth, while recent activations of players like Vinnie Pasquantino and Maikel Garcia from the injured list bolster lineup options. The Athletics' road struggles and pitching staff inconsistencies remain key variables in the remaining games.

In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40PM ET:

This market will resolve to "Athletics" if the Athletics win the game.

This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game.

If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.

The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Volume
$59,662
End Date
Aug 25, 2026
Market Opened
Aug 12, 2026, 9:00 AM ET

Resolution Source

https://www.mlb.com/

Resolver

0x65070BE91...
In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40PM ET: This market will resolve to "Athletics" if the Athletics win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.

Beware of external links.

Frequently Asked Questions

The “Athletics vs. Royals” market on Polymarket lets you trade on the outcome of the MLB game between the Athletics and the Kansas City Royals, scheduled for August 18, 2026 at 7:40 PM ET. The primary market is the moneyline — which team will win the game — where Royals is currently priced at 60¢ (60% implied probability) and Athletics at 41¢ (41%). Beyond the moneyline, sports markets on Polymarket may feature spreads, totals (over/under), and player props, giving you multiple ways to trade on this game. Prices reflect real-time crowd-sourced probabilities. Shares in the correct outcome pay out $1 each when the market resolves after the game ends.

As of now, the “Athletics vs. Royals” market has generated $59.7K in total trading volume across all market types (moneyline, spreads, totals, and player props). This volume reflects active engagement from the Polymarket trading community, and a deeper pool of traders generally means more informative, reliable odds. You can track live price movements and trade on any market directly on this page.

To trade on “Athletics vs. Royals,” start by choosing the market type you want to trade: Moneyline (which team wins), Spreads (margin of victory), Totals (combined score over/under), or Player Props (individual player stat lines). Each market shows the current price for each side — for example, the moneyline shows OAK at 41¢ and KC at 60¢. Select the side you want to trade, choose Buy to take a position or Sell to close an existing one, enter your amount, and click Trade. If your chosen side is correct when the game ends and the market resolves, your shares pay out $1 each. If it’s incorrect, they pay out $0. You can also sell your shares at any time before the game ends to lock in a profit or cut a loss.

The current moneyline odds for “Athletics vs. Royals” show Kansas City Royals at 60¢ (60% implied probability) and Athletics at 41¢ (41%). All odds update in real-time as traders buy and sell shares, reflecting the latest collective view of how this game will play out. Check back frequently or bookmark this page to follow how the odds shift as game time approaches.

The “Athletics vs. Royals” market resolves based on the official final score of the MLB game as reported by MLB’s official results, including overtime if applicable. Moneyline markets resolve to the team that wins the game. Spread markets resolve based on the final margin of victory relative to the posted line. Totals (over/under) markets resolve based on the combined final score of both teams. Player prop markets resolve based on official box score statistics. If the game is postponed or canceled, the market resolution rules (available in the Rules section on this page) specify how that scenario is handled. We recommend reviewing the full resolution criteria before trading.
Sports·MLB

Athletics – Kansas City Royals

3h 47m 58s
Polymarket
Athletics
Athletics
11:40 PMAugust 18
Royals
Royals
$62.01K Vol.Polymarket

Moneyline

$23.0K Vol.

Spreads

$4.6K Vol.

Totals

$31.0K Vol.

Will there be a run in the first inning?

$3.5K Vol.

Extra Innings

$0 Vol.

In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40PM ET: This market will resolve to "Athletics" if the Athletics win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Athletics" if the Athletics is winning the game at the conclusion of the 5th inning. This market will resolve to "Kansas City Royals" if the Kansas City Royals is winning the game at the conclusion of the 5th inning. If the game is tied at the conclusion of the 5th inning, this market will resolve to "Draw". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if Jonah Heim records more than 0.5 home runs during the game. This market will resolve to "Under" if Jonah Heim records less than 0.5 home runs during the game. The entire game including all extra innings will be considered. If the player is listed as inactive or otherwise does not take the field at any point, the market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game by 2 or more runs. Otherwise, this market will resolve to "Athletics". If the game ends in a tie, this market will resolve to "Athletics". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game by 3 or more runs. Otherwise, this market will resolve to "Athletics". If the game ends in a tie, this market will resolve to "Athletics". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Athletics" if the Athletics win the game by 2 or more runs. Otherwise, this market will resolve to "Kansas City Royals". If the game ends in a tie, this market will resolve to "Kansas City Royals". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Athletics" if the Athletics win the game by 3 or more runs. Otherwise, this market will resolve to "Kansas City Royals". If the game ends in a tie, this market will resolve to "Kansas City Royals". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if Jonah Heim records more than 1.5 home runs during the game. This market will resolve to "Under" if Jonah Heim records less than 1.5 home runs during the game. The entire game including all extra innings will be considered. If the player is listed as inactive or otherwise does not take the field at any point, the market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 11 or more runs in this game. If the combined total is less than 11, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 10 or more runs in this game. If the combined total is less than 10, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 12 or more runs in this game. If the combined total is less than 12, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if Lawrence Butler records more than 0.5 home runs during the game. This market will resolve to "Under" if Lawrence Butler records less than 0.5 home runs during the game. The entire game including all extra innings will be considered. If the player is listed as inactive or otherwise does not take the field at any point, the market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Yes" if at least one run is scored in the 1st inning by either the Athletics or Kansas City Royals. This market will resolve to "No" if no runs are scored in the 1st inning by either team. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if Lawrence Butler records more than 1.5 home runs during the game. This market will resolve to "Under" if Lawrence Butler records less than 1.5 home runs during the game. The entire game including all extra innings will be considered. If the player is listed as inactive or otherwise does not take the field at any point, the market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals is winning the game by 2 or more runs at the conclusion of the 5th inning. Otherwise, this market will resolve to "Athletics". If the game is tied at the conclusion of the 5th inning, this market will resolve to "Athletics". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Athletics" if the Athletics is winning the game by 2 or more runs at the conclusion of the 5th inning. Otherwise, this market will resolve to "Kansas City Royals". If the game is tied at the conclusion of the 5th inning, this market will resolve to "Kansas City Royals". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 3 or more runs by the conclusion of the 5th inning. If the combined total is less than 3, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 4 or more runs by the conclusion of the 5th inning. If the combined total is less than 4, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 5 or more runs by the conclusion of the 5th inning. If the combined total is less than 5, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 6 or more runs by the conclusion of the 5th inning. If the combined total is less than 6, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Over" if the Athletics and Kansas City Royals combine to score 7 or more runs by the conclusion of the 5th inning. If the combined total is less than 7, this market will resolve to "Under". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40 PM ET: This market will resolve to "Yes" if the game goes to extra innings. This market will resolve to "No" if the game is completed without going to extra innings. For the purposes of this market, a game goes to extra innings if play begins in any inning after the scheduled regulation innings for that game, such as the 10th inning in a standard 9-inning MLB game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. If the game ends in a tie before extra innings are played, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.The Royals enter the series with a 1-0 lead after a 9-5 home win on August 17, powered by Bobby Witt Jr.'s multi-hit effort including a two-run homer. Both clubs sit well out of playoff position, with the Athletics at 49-76 in the AL West and the Royals at 52-74 in the AL Central, reflecting ongoing rebuilds marked by inconsistent results and defensive vulnerabilities. Kansas City's home stand at Kauffman Stadium offers a modest edge through familiarity and bullpen depth, while recent activations of players like Vinnie Pasquantino and Maikel Garcia from the injured list bolster lineup options. The Athletics' road struggles and pitching staff inconsistencies remain key variables in the remaining games.

In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40PM ET:

This market will resolve to "Athletics" if the Athletics win the game.

This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game.

If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.

The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Volume
$59,662
End Date
Aug 25, 2026
Market Opened
Aug 12, 2026, 9:00 AM ET

Resolution Source

https://www.mlb.com/

Resolver

0x65070BE91...
In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 18 at 7:40PM ET: This market will resolve to "Athletics" if the Athletics win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.

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Frequently Asked Questions

The “Athletics vs. Royals” market on Polymarket lets you trade on the outcome of the MLB game between the Athletics and the Kansas City Royals, scheduled for August 18, 2026 at 7:40 PM ET. The primary market is the moneyline — which team will win the game — where Royals is currently priced at 60¢ (60% implied probability) and Athletics at 41¢ (41%). Beyond the moneyline, sports markets on Polymarket may feature spreads, totals (over/under), and player props, giving you multiple ways to trade on this game. Prices reflect real-time crowd-sourced probabilities. Shares in the correct outcome pay out $1 each when the market resolves after the game ends.

As of now, the “Athletics vs. Royals” market has generated $59.7K in total trading volume across all market types (moneyline, spreads, totals, and player props). This volume reflects active engagement from the Polymarket trading community, and a deeper pool of traders generally means more informative, reliable odds. You can track live price movements and trade on any market directly on this page.

To trade on “Athletics vs. Royals,” start by choosing the market type you want to trade: Moneyline (which team wins), Spreads (margin of victory), Totals (combined score over/under), or Player Props (individual player stat lines). Each market shows the current price for each side — for example, the moneyline shows OAK at 41¢ and KC at 60¢. Select the side you want to trade, choose Buy to take a position or Sell to close an existing one, enter your amount, and click Trade. If your chosen side is correct when the game ends and the market resolves, your shares pay out $1 each. If it’s incorrect, they pay out $0. You can also sell your shares at any time before the game ends to lock in a profit or cut a loss.

The current moneyline odds for “Athletics vs. Royals” show Kansas City Royals at 60¢ (60% implied probability) and Athletics at 41¢ (41%). All odds update in real-time as traders buy and sell shares, reflecting the latest collective view of how this game will play out. Check back frequently or bookmark this page to follow how the odds shift as game time approaches.

The “Athletics vs. Royals” market resolves based on the official final score of the MLB game as reported by MLB’s official results, including overtime if applicable. Moneyline markets resolve to the team that wins the game. Spread markets resolve based on the final margin of victory relative to the posted line. Totals (over/under) markets resolve based on the combined final score of both teams. Player prop markets resolve based on official box score statistics. If the game is postponed or canceled, the market resolution rules (available in the Rules section on this page) specify how that scenario is handled. We recommend reviewing the full resolution criteria before trading.