Snapshot September 24, 2026 at 04:37 UTC · Category: Elections · Event RSENATESEATS-27
As of September 24, 2026 at 04:37 UTC, the leading outcome is 47 at 15%, followed by 48 at 15%, 49 at 15%. 1.1M contracts have traded, 21.1K in the last 24 hours.
| Outcome | Chance | 24h change | Volume | Open interest |
|---|---|---|---|---|
| 47 | 15% | -1 pts | 69.7K | 56.4K |
| 48 | 15% | · | 58.2K | 44.2K |
| 49 | 15% | -1 pts | 33.7K | 25.9K |
| 50 | 11% | -3 pts | 58.1K | 48.0K |
| 46 | 9.5% | · | 71.6K | 56.2K |
| Below 45 | 7.5% | +1 pts | 139.7K | 105.3K |
| 51 | 7.5% | -2 pts | 53.8K | 45.9K |
| 45 | 6.5% | -2 pts | 82.9K | 53.5K |
| 52 | 5.5% | · | 51.6K | 44.0K |
| 53 | 3.5% | -1 pts | 40.5K | 37.0K |
| Above 57 | 2.5% | · | 178.5K | 158.4K |
| 55 | 1.5% | -1 pts | 78.5K | 64.9K |
| 54 | 1.5% | -1 pts | 69.4K | 65.1K |
| 56 | 1.5% | · | 52.8K | 45.1K |
| 57 | 1.0% | -1 pts | 56.9K | 48.0K |
Chance = midpoint of the best Yes bid and ask on Kalshi (last trade when the spread is wider than 10¢). Volume and open interest are in contracts. Current availability, prices, close time, fees, and settlement wording must be verified on Kalshi directly before trading.
■ 47 ■ 48 ■ 49 · daily closing prices from Kalshi's public candlestick data
Excerpt of the contract rules from Kalshi's public market data:
“If the Republican party has below 45 Senate seats on Feb 1, 2027, then the market resolves to Yes.”
Read the full rules and trade on Kalshi: open this market on Kalshi. How settlement works in general: Kalshi settlement guide. Costs: Kalshi fees and the payout calculator.
As of September 24, 2026 at 04:37 UTC, the leading outcome is 47 at 15%, followed by 48 at 15%, 49 at 15%. 1.1M contracts have traded, 21.1K in the last 24 hours.
Each outcome's probability is the midpoint between the best bid and ask for its Yes contract (or the last trade when the spread is wider than 10 cents). A 60-cent contract reads as roughly a 60% chance. The page is a dated snapshot refreshed twice a day, not a live quote.
The listed close date is February 1, 2027. Settlement follows the contract rules summarised on this page; check them on Kalshi.
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<iframe src="https://kalshiview.com/embed/markets/how-many-senate-seats-will-republicans-hold-after-the-midterms/" width="100%" height="300" style="border:0;max-width:560px" loading="lazy" title="How many Senate seats will Republicans hold after the Midterms? Kalshi odds"></iframe> <p><a href="https://kalshiview.com/markets/how-many-senate-seats-will-republicans-hold-after-the-midterms/">How many Senate seats will Republicans hold after the Midterms? odds</a> via <a href="https://kalshiview.com/">Kalshi View</a></p>
/api/v1/markets/how-many-senate-seats-will-republicans-hold-after-the-midterms.json (CC BY 4.0: credit “Kalshi View” with a link).