Worm lists 38 open Senate markets across Politics, with odds that update live as traders react to news.
Which Senate Swing States will Republicans win?
Fetterman leaves the Democrats by...?
Closer Senate Race: South Dakota or New Mexico?
Josh Turek runs behind Rob Sand by...?
Closer Senate Race: Iowa or Maine?
Graham Platner charged by December 31, 2026?
Closer Senate Race: Alaska or Texas?
Closer Senate Race: Maine or Texas?
Closer Senate Race: Montana or New Jersey?
Closer Senate Race: Kansas or Nebraska?
Closer Senate Race: Minnesota or Mississippi?
GOP's worst Great Plains Senate Race (IA, NE, KS)?
Highest third-place vote share in a 2026 Senate race?
Kansas Senate Election: Leavenworth County Winner
Alaska Senator sworn in by January 5?
Closer Senate Race: Michigan or New Hampshire?
Abdul El-Sayed runs behind Jocelyn Benson by...?
Keisha Lance Bottoms runs behind Jon Ossoff by...? (First Round)
Closer Senate Race: Georgia or Kansas?
Closer Senate Race: Nebraska or Texas?
Closer Senate Race: Florida or South Carolina?
Troy Jackson runs behind Hannah Pingree by...? (First Round)
Peggy Flanagan runs behind Amy Klobuchar by...?
Michigan Senate Election: Macomb County Winner
Dems' best tossup Senate race?
Which party will win the Texas State Senate in 2026?
Fall Elections Combo: Brazil, Israel, US Senate
Which Dems will underperform Kamala?
Next US Senate Minority Leader?
Maine Senate Election Margin of Victory (Final Round)
Alaska Senate Election Margin of Victory (Final Round)
Which Senate races will be within 1%?
Next Senate Majority Leader?
Which Senate races will be within 5%?
Closest Governor's Race?
Closest Senate Race?
John Fetterman out by...?
Mitch McConnell steps down from Senate before his term ends?