| Outcome | Probability | Yes Bid | Yes Ask | 24h Change | Volume | |
|---|---|---|---|---|---|---|
| Exactly 0 | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Exactly 1 | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Exactly 2 | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Exactly 3 | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Exactly 4 | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| 5 or more | 0% | 0¢ | 0¢ | — | $0 | Trade → |
This market asks how many Republican U.S. senators will lose their 2026 reelection bids; it matters because the outcome summarizes how competitive the GOP Senate map is and reflects the broader political environment going into the 2026 midterms.
Senate control is decided one seat at a time; historically incumbents win at higher rates than challengers, but open seats, retirements, and national tides can produce larger swings. The 2026 map, candidate announcements, retirements, primary fights, and evolving state-level conditions will all shape which and how many Republican-held seats are vulnerable.
Market prices aggregate traders’ views and news into relative odds across the six outcome buckets; they update as new information (polls, retirements, fundraising, primaries, major events) arrives and provide a continuously updated market-implied expectation rather than a fixed prediction.
Each outcome is a discrete bucket corresponding to a specific number (or range) of Republican senators who lose their 2026 reelection bids; check the platform’s outcome labels to see the exact counts or ranges behind each contract.
The market close is listed as TBD; trading typically continues until the platform closes the market, and the final resolution will be based on certified 2026 Senate election results for the affected Republican-held seats.
Retirement announcements usually increase uncertainty because open-seat races are generally more competitive; markets tend to react quickly when incumbents announce they will not run or when potential successors emerge.
Races in states that were narrowly decided in recent cycles, seats in states trending away from the incumbent party, any high-profile open seats created by retirements, and contests with surprising primary results or major scandals will be the biggest drivers.
Treat single polls cautiously and look for consistent trends across polls, major shifts in fundraising or endorsements, and primary outcomes; the market will incorporate durable, material changes more than short-lived noise, so focus on sustained signals and official developments.