How many Senate seats will Republicans hold after the Midterms Odds · On Feb 1, 2027
Kalshi traders give Below 45 a 95% chance.
| Outcome | Chance | Odds | 24h |
|---|---|---|---|
| Below 45 | 95% | -1718 | ▲ 1 |
| 45 | 4% | +2757 | — |
| 46 | <1% | +19900 | — |
| 47 | <1% | +19900 | — |
| 48 | <1% | +19900 | — |
| 49 | <1% | +19900 | — |
| 50 | <1% | +19900 | — |
| 51 | <1% | +19900 | — |
| 52 | <1% | +19900 | — |
| 53 | <1% | +19900 | — |
| 54 | <1% | +19900 | — |
| 55 | <1% | +19900 | — |
| 56 | <1% | +19900 | — |
| 57 | <1% | +19900 | — |
| Above 57 | <1% | +19900 | — |
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Price history
Resolution rules
If the Republican party has below 45 Senate seats on Feb 1, 2027, then the market resolves to Yes.
Source: Kalshi. The venue's rules are final.
FAQ
Who is favored in How many Senate seats will Republicans hold after the Midterms?
As of Nov 8, 5:30 AM EST, traders on Kalshi price Below 45 at 95%, about -1718 in American odds. Prices move with every trade.
How are prediction market odds calculated?
Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.
When does this market close?
Kalshi lists Feb 1, 2027 as the end date. It can close earlier if the outcome is decided.
Where can I trade on How many Senate seats will Republicans hold after the Midterms?
This market trades on Kalshi. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.