Illinois's entrenched Democratic advantage in federal elections, combined with Lt. Gov. Juliana Stratton's strong primary performance and backing from Gov. J.B. Pritzker, underpins the heavy trader consensus favoring her over former state Republican Party chair Don Tracy. The seat opened after longtime Sen. Dick Durbin announced his retirement in 2025, and both nominees secured their parties' nods in the March 2026 primaries without major disruptions. Forecasters rate the race Solid or Safe Democratic, consistent with Illinois voting patterns where Republicans have not won a Senate seat since 2010. With roughly three months until the November general election and limited general-election polling, current implied probabilities reflect this structural edge. Late developments such as a significant national partisan shift, candidate health issues, or major scandals could still alter the outcome.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$29,154 Vol.
$29,154 Vol.
Nov 3, 2026
Juliana Stratton (D)
95%
Don Tracy (R)
4%
$29,154 Vol.
$29,154 Vol.
Nov 3, 2026
Juliana Stratton (D)
$14,734 Vol.
95%
Don Tracy (R)
$14,419 Vol.
4%
This market will resolve according to the winner of the 2026 midterm Illinois U.S. Senate election, inclusive of any run-offs.
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.Illinois's entrenched Democratic advantage in federal elections, combined with Lt. Gov. Juliana Stratton's strong primary performance and backing from Gov. J.B. Pritzker, underpins the heavy trader consensus favoring her over former state Republican Party chair Don Tracy. The seat opened after longtime Sen. Dick Durbin announced his retirement in 2025, and both nominees secured their parties' nods in the March 2026 primaries without major disruptions. Forecasters rate the race Solid or Safe Democratic, consistent with Illinois voting patterns where Republicans have not won a Senate seat since 2010. With roughly three months until the November general election and limited general-election polling, current implied probabilities reflect this structural edge. Late developments such as a significant national partisan shift, candidate health issues, or major scandals could still alter the outcome.
This market will resolve according to the winner of the 2026 midterm Illinois U.S. Senate election, inclusive of any run-offs.
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.
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, 5:35 PM ET
Volume
$29,154End Date
Nov 3, 2026Market Opened
Oct 13, 2025, 5:35 PM ETResolver
0x2F5e3684c...This market will resolve according to the winner of the 2026 midterm Illinois U.S. Senate election, inclusive of any run-offs.
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.Illinois's entrenched Democratic advantage in federal elections, combined with Lt. Gov. Juliana Stratton's strong primary performance and backing from Gov. J.B. Pritzker, underpins the heavy trader consensus favoring her over former state Republican Party chair Don Tracy. The seat opened after longtime Sen. Dick Durbin announced his retirement in 2025, and both nominees secured their parties' nods in the March 2026 primaries without major disruptions. Forecasters rate the race Solid or Safe Democratic, consistent with Illinois voting patterns where Republicans have not won a Senate seat since 2010. With roughly three months until the November general election and limited general-election polling, current implied probabilities reflect this structural edge. Late developments such as a significant national partisan shift, candidate health issues, or major scandals could still alter the outcome.
This market will resolve according to the winner of the 2026 midterm Illinois U.S. Senate election, inclusive of any run-offs.
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.
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.
Volume
$29,154End Date
Nov 3, 2026Market Opened
Oct 13, 2025, 5:35 PM ETResolver
0x2F5e3684c...Illinois's entrenched Democratic advantage in federal elections, combined with Lt. Gov. Juliana Stratton's strong primary performance and backing from Gov. J.B. Pritzker, underpins the heavy trader consensus favoring her over former state Republican Party chair Don Tracy. The seat opened after longtime Sen. Dick Durbin announced his retirement in 2025, and both nominees secured their parties' nods in the March 2026 primaries without major disruptions. Forecasters rate the race Solid or Safe Democratic, consistent with Illinois voting patterns where Republicans have not won a Senate seat since 2010. With roughly three months until the November general election and limited general-election polling, current implied probabilities reflect this structural edge. Late developments such as a significant national partisan shift, candidate health issues, or major scandals could still alter the outcome.
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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