Gary Black, managing partner at The Future Fund, pointed on Tuesday to growing odds of a Democratic sweep in both chambers of Congress in the November midterms.

Dems Set to Win Midterms?

Citing Kalshi, Black said Democrats have a 61% chance of taking control of the Senate and a 91% chance of winning the House.

Republicans currently hold a 53-47 majority in the Senate and control the House by a slim 218-214 margin. The midterm elections are scheduled for Nov. 3.

Kalshi now puts 61% odds on Dems taking back the U.S. Senate in November; Republicans now hold a 4-seat advantage 53-47. Kalshi now attaches a 91% chance to Dems taking control of the U.S. House which Rs now control 218-214 with 1 independent and 2 vacancies. 35 of 100 Senate…

— Gary Black (@garyblack00) September 22, 2026

Kalshi bettors priced in a 62% chance of a Democrat sweep, up from 46.5% a month ago.

Meanwhile, the odds of the Democrats winning more than 52 seats in the Senate stood at 37%, alongside a 14% chance of holding over 249 seats in the lower chamber.

Crypto Bettors in Sync

Bettors on Polygon (CRYPTO: POL)-based Polymarket broadly agreed with their Kalshi counterparts, assigning a 66% chance of a Democratic sweep.

Democrats were the frontrunners to take control of the House, with 93% odds. The Senate race was closer, with Dems holding a 66% chance of reclaiming control.

Kalshi and MarketDash have an existing data collaboration agreement.