Pennsylvania State Senate Winner 2026?

As of Tue, 20 Oct 2026 17:07:37 UTC, Polymarket traders price Democratic Party (58.0%), Party D (50.0%), Party A (50.0%). The market has $436 in volume and closes on Wed, 04 Nov 2026.

Updated: Tue, 20 Oct 2026 17:07:37 UTC

Current odds

Market details

• Venue: Polymarket
• Volume: $436
• Liquidity: $24K
• Closes: Wed, 04 Nov 2026

Resolution rules

This market will resolve according to the party that wins control of the Pennsylvania State Senate in the 2026 Pennsylvania midterm election. A party wins control of the Pennsylvania Senate if it wins a majority of the chamber’s voting seats. If no party wins a majority of voting seats, the party that wins control of the chamber is the party that wins half of the voting seats and holds the Lieutenant Governor's Office as a result of the election. If the outcome remains ambiguous after applying the above criteria, the chamber will be deemed controlled by the party with which the first selected President Pro Tempore of the State Senate that convenes after the specified election is affiliated. If no such President Pro Tempore is chosen by March 31, 2027, 11:59 PM ET, this market will resolve to "Other". The following rules govern the counting of seats for determining which party wins control of the chamber. All regular and special Senate elections that determine representation in the following State Senate and are scheduled to take place in November 2026 as of October 31, 2026 are included. Runoffs for qualifying elections will determine attribution of the relevant seat, even if they take place after November 2026. Vacant seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat. For seats contested in the spe…

Sources

• Source: Polymarket market

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