The Race

Republican incumbent Roger Williams faces Democrat Dione Sims in Texas's 25th Congressional District, with four candidates on the ballot for the general election on November 3. Williams and Sims claimed their respective nominations on March 3.

Ratings

Cook Political Report, Sabato's Crystal Ball, and Inside Elections all rate Texas's 25th as Solid Republican, a rating code that signals near-certain GOP control.

Prediction Markets

On Kalshi and Polymarket, the odds as of late June show Republicans with an 89.9% probability of holding the seat, while Democrats sit at just 10.1%.

Experts vs Markets

An 89.9% GOP win probability translates to roughly a 9-to-1 advantage, which aligns perfectly with a "Solid Republican" rating.

Williams enters the general election as the overwhelming favorite.

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