Incumbent Sen. John Cornyn faces state Attorney General Ken Paxton in the Republican runoff on May 26 following no candidate securing a primary majority on March 3, while state Rep. James Talarico won the Democratic nomination outright over Rep. Jasmine Crockett. Recent polls, including March surveys from Public Policy Polling and Impact Research, show Talarico leading both potential GOP nominees by slim margins of 2–7 points among likely voters, reflecting Democratic gains in urban turnout and suburban swing areas. However, trader consensus favors Republicans at 57% implied probability, citing Texas's consistent GOP dominance—evident in 2024 presidential margins—and historical base rates where no Democrat has won statewide since 1994, alongside superior Republican fundraising and base mobilization ahead of the November 3 general election. A Trump endorsement in the runoff could further solidify GOP positioning.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedTexas Senate Election Winner
Texas Senate Election Winner
$172,799 Vol.
$172,799 Vol.

Republican
57%

Democrat
42%
$172,799 Vol.
$172,799 Vol.

Republican
57%

Democrat
42%
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, 4:57 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 Sen. John Cornyn faces state Attorney General Ken Paxton in the Republican runoff on May 26 following no candidate securing a primary majority on March 3, while state Rep. James Talarico won the Democratic nomination outright over Rep. Jasmine Crockett. Recent polls, including March surveys from Public Policy Polling and Impact Research, show Talarico leading both potential GOP nominees by slim margins of 2–7 points among likely voters, reflecting Democratic gains in urban turnout and suburban swing areas. However, trader consensus favors Republicans at 57% implied probability, citing Texas's consistent GOP dominance—evident in 2024 presidential margins—and historical base rates where no Democrat has won statewide since 1994, alongside superior Republican fundraising and base mobilization ahead of the November 3 general election. A Trump endorsement in the runoff could further solidify GOP positioning.
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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