Incumbent Republican Cindy Hyde-Smith’s strong performance in the March 2026 primary and Mississippi’s longstanding Republican dominance have anchored trader consensus around an 89.5% probability for the GOP nominee. The state’s structural advantages, including consistent Republican victories in federal races and Hyde-Smith’s incumbency edge, continue to outweigh a mid-April poll showing Democrat Scott Colom narrowing the gap to three points in a head-to-head matchup. Colom’s improved name recognition has produced modest gains, yet limited fundraising and the presence of an independent candidate have not altered the broader assessment reflected in current market pricing. With the November general election still months away, few additional catalysts have emerged to shift probabilities significantly.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$22,594 Vol.
$22,594 Vol.

Republican
90%

Democrat
11%
$22,594 Vol.
$22,594 Vol.

Republican
90%

Democrat
11%
A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Market Opened: Oct 13, 2025, 4:48 PM ET
Resolver
0x2F5e3684c...A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Resolver
0x2F5e3684c...Incumbent Republican Cindy Hyde-Smith’s strong performance in the March 2026 primary and Mississippi’s longstanding Republican dominance have anchored trader consensus around an 89.5% probability for the GOP nominee. The state’s structural advantages, including consistent Republican victories in federal races and Hyde-Smith’s incumbency edge, continue to outweigh a mid-April poll showing Democrat Scott Colom narrowing the gap to three points in a head-to-head matchup. Colom’s improved name recognition has produced modest gains, yet limited fundraising and the presence of an independent candidate have not altered the broader assessment reflected in current market pricing. With the November general election still months away, few additional catalysts have emerged to shift probabilities significantly.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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