# How many Senate seats will Republicans hold after the 2028 election?: prediction market odds

> Live prediction market odds for "How many Senate seats will Republicans hold after the 2028 election?". At least 46 leads at 89%. Next is At least 47 at 85%. $5K has traded across 15 outcomes on Kalshi. The market is expected to resolve by Feb 1, 2029.

- Status: Live
- Prices updated: 2026-11-04T21:21:00Z (3 h ago)
- Expected to resolve by: Feb 1, 2029
- Volume traded: $5K
- Venues: Kalshi
- Category: politics

## Odds by outcome

| Outcome | Chance | Kalshi |
| --- | --- | --- |
| At least 46 | 89% | 89% |
| At least 47 | 85% | 85% |
| At least 42 | 60.5% | 60.5% |
| At least 44 | 55% | 55% |
| At least 49 | 35% | 35% |
| At least 51 | 31% | 31% |
| At least 53 | 27.5% | 27.5% |
| At least 54 | 27% | 27% |
| At least 55 | 26% | 26% |
| At least 56 | 25.5% | 25.5% |
| At least 58 | 24% | 24% |
| At least 52 | 22% | 22% |
| At least 60 | 22% | 22% |
| At least 48 | 17% | 17% |
| At least 50 | 5% | 5% |

"Chance" blends the venues' prices, weighted by volume. Venue columns are each venue's own price.

## How each venue settles

- Kalshi: Kalshi (CFTC-regulated exchange). Sources: [United States Congress](https://www.congress.gov/).

## Links

- Full page with charts and order books: https://thepredictionmarkets.com/odds/how-many-senate-seats-will-republicans-hold-after-the-2028-election
- Trade on Kalshi: https://kalshi.com/markets/kxsenateseatsr?utm_source=thepredictionmarkets.com&utm_medium=referral
- API (free key): https://api.thepredictionmarkets.com/api/public/v1/events/how-many-senate-seats-will-republicans-hold-after-the-2028-election

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Source: The Prediction Markets (https://thepredictionmarkets.com), which compares Kalshi and Polymarket prices side by side. Prices are market-implied probabilities, not forecasts by TPM. Cite the page URL and the "Prices updated" time.