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Iowa Governor Republican Primary Winner

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Iowa Governor Republican Primary Winner

Randy Feenstra 75%

Zach Lahn 14.3%

Adam Steen 10%

Brad Sherman 1.6%

Polymarket

$23,738 Vol.

Randy Feenstra 75%

Zach Lahn 14.3%

Adam Steen 10%

Brad Sherman 1.6%

Polymarket

$23,738 Vol.

Randy Feenstra

$8,705 Vol.

75%

Zach Lahn

$5,128 Vol.

14%

Adam Steen

$4,075 Vol.

10%

Brad Sherman

$3,799 Vol.

2%

Eddie Andrews

$2,030 Vol.

1%

This market will resolve according to the winner of the Republican Primary for Governor of Iowa, scheduled to take place on June 2, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. If no 2026 Iowa Gubernatorial Republican Primary takes place, this market will resolve to “Other.” The resolution source for this market will be the first official announcement of the results from the Iowa Republican Party; however, an overwhelming consensus of credible reporting may suffice.Randy Feenstra maintains a commanding lead in the Iowa Republican primary for governor ahead of the June 2 vote, driven by his substantial fundraising advantage and extended television advertising that has allowed him to build statewide organization while challengers lag. Recent reporting has highlighted vulnerabilities for Zach Lahn, including frequent travel between a Kansas residence and his Iowa farm, and for Adam Steen, tied to business outsourcing practices, both of which have drawn negative attention in the final weeks. Feenstra has faced criticism for skipping debates and limited grassroots engagement, yet no independent polling has emerged to challenge his position. With early voting underway, traders appear to view his resources and name recognition as decisive factors over the remaining field of state legislators and lesser-known candidates in this open primary.

This market will resolve according to the winner of the Republican Primary for Governor of Iowa, scheduled to take place on June 2, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off.

If no 2026 Iowa Gubernatorial Republican Primary takes place, this market will resolve to “Other.”

The resolution source for this market will be the first official announcement of the results from the Iowa Republican Party; however, an overwhelming consensus of credible reporting may suffice.
Volume
$23,738
End Date
Jun 2, 2026
Market Opened
Dec 9, 2025, 6:04 PM ET
This market will resolve according to the winner of the Republican Primary for Governor of Iowa, scheduled to take place on June 2, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. If no 2026 Iowa Gubernatorial Republican Primary takes place, this market will resolve to “Other.” The resolution source for this market will be the first official announcement of the results from the Iowa Republican Party; however, an overwhelming consensus of credible reporting may suffice.
This market will resolve according to the winner of the Republican Primary for Governor of Iowa, scheduled to take place on June 2, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. If no 2026 Iowa Gubernatorial Republican Primary takes place, this market will resolve to “Other.” The resolution source for this market will be the first official announcement of the results from the Iowa Republican Party; however, an overwhelming consensus of credible reporting may suffice.Randy Feenstra maintains a commanding lead in the Iowa Republican primary for governor ahead of the June 2 vote, driven by his substantial fundraising advantage and extended television advertising that has allowed him to build statewide organization while challengers lag. Recent reporting has highlighted vulnerabilities for Zach Lahn, including frequent travel between a Kansas residence and his Iowa farm, and for Adam Steen, tied to business outsourcing practices, both of which have drawn negative attention in the final weeks. Feenstra has faced criticism for skipping debates and limited grassroots engagement, yet no independent polling has emerged to challenge his position. With early voting underway, traders appear to view his resources and name recognition as decisive factors over the remaining field of state legislators and lesser-known candidates in this open primary.

This market will resolve according to the winner of the Republican Primary for Governor of Iowa, scheduled to take place on June 2, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off.

If no 2026 Iowa Gubernatorial Republican Primary takes place, this market will resolve to “Other.”

The resolution source for this market will be the first official announcement of the results from the Iowa Republican Party; however, an overwhelming consensus of credible reporting may suffice.
Volume
$23,738
End Date
Jun 2, 2026
Market Opened
Dec 9, 2025, 6:04 PM ET
This market will resolve according to the winner of the Republican Primary for Governor of Iowa, scheduled to take place on June 2, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. If no 2026 Iowa Gubernatorial Republican Primary takes place, this market will resolve to “Other.” The resolution source for this market will be the first official announcement of the results from the Iowa Republican Party; however, an overwhelming consensus of credible reporting may suffice.

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Frequently Asked Questions

"Iowa Governor Republican Primary Winner" is a prediction market on Polymarket with 5 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Randy Feenstra" at 75%, followed by "Zach Lahn" at 14%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 75¢ implies that the market collectively assigns a 75% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Iowa Governor Republican Primary Winner" has generated $23.7K in total trading volume since the market launched on Dec 9, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Iowa Governor Republican Primary Winner," browse the 5 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Iowa Governor Republican Primary Winner" is "Randy Feenstra" at 75%, meaning the market assigns a 75% chance to that outcome. The next closest outcome is "Zach Lahn" at 14%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Iowa Governor Republican Primary Winner" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.