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2026 Mississippi Senate race: Kalshi prediction markets show 93% probability for one side of Scott Colom vs. Cindy Hyde-Smith

Prediction markets like Kalshi allow you to trade on the outcome of the Mississippi Senate winner

ByAndy Bryan·Updated: Nov 04, 2026 5:15PM ET·4 min read

The Mississippi Senate race has not been called, with Democrat Scott Colom facing Republican incumbent Cindy Hyde-Smith, who is seeking reelection. You can trade with the Kalshi promo code SPORTSLINE55 and get a $55 bonus after $25 in trades. Colom trades at $0.93 per share on Kalshi, up from about $0.14 a day earlier, and Hyde-Smith trades at $0.07 per share, down from $0.87. More than $24 million has been traded across the Mississippi Senate winner prediction markets at Kalshi as the 2026 midterm elections wait on a call. Claim the Kalshi promo code SPORTSLINE55 for a $55 bonus here:

You can trade on the outcome of the 2026 U.S. Senate control odds on prediction markets like Kalshi, with hundreds of political markets offered. Check out our Kalshi promo code review for full details.  

Claim the Kalshi promo code SPORTSLINE55 for a $55 bonus here:

Claim the Kalshi promo code SPORTSLINE55 for a $55 bonus here:

Scott Colom (D): Colom is the district attorney for Mississippi's 16th Judicial District, which covers Lowndes, Oktibbeha, Clay and Noxubee counties, and he has held the job since 2016 after winning elections in 2015, 2019 and 2023. He earned a bachelor's degree from Millsaps College and a law degree from the University of Wisconsin. President Joe Biden nominated him to a federal judgeship in Mississippi in 2022, but the nomination was never confirmed. Colom won the March 10 Democratic primary with 73% of the vote, and he would be the first Black U.S. senator from Mississippi since Reconstruction.

Cindy Hyde-Smith (R): Hyde-Smith has held the seat since April 2018, when Gov. Phil Bryant appointed her to replace the retiring Thad Cochran, making her the first woman to represent Mississippi in Congress. She previously served as the state's agriculture commissioner and was a state senator. She won the 2018 special election runoff against Democrat Mike Espy, 53.6% to 46.4%, and won a full term in 2020 against Espy again, 54.1% to 44.1%. Hyde-Smith won the March Republican primary with 80.8% of the vote. Independent Ty Pinkins, a lawyer who was the Democratic nominee for this seat in 2024, is also on the ballot.

Mississippi has not elected a Democrat to the U.S. Senate since 1982. Republican candidates carried the state in the last two presidential elections, by 22.9 points in 2024 and 16.5 points in 2020. Hyde-Smith's two wins against Espy came by about 7 points in 2018 and about 10 points in 2020. Major race ratings from Cook Political Report, Inside Elections, and Sabato's Crystal Ball listed the 2026 race as solid or safe Republican in August, and an August Data for Progress poll had Hyde-Smith ahead of Colom, 47% to 41%.

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Written by Andy Bryan

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