Odds Republicans Win the House in 2026
Live odds on Republicans for control of the House from Kalshi, Polymarket and Polymarket US. Bid, ask and order book on each venue, with price history and whale bets.
KalshiPolymarketPolymarket US
PolymarketRepublicans
9%median across venues
$100 pays $1,149on Kalshi, before fees
| Venue | Bid | Ask | Spread | Depth ±5¢ | Vol 24h | Vol total | Open int. |
|---|---|---|---|---|---|---|---|
| Kalshi | 8.6¢ | 8.7¢ | $59K | $1.5M | |||
| Polymarket | 8¢ | 9¢ | $16K | ||||
| Polymarket US | 9¢ | 9.1¢ |
Buy $1,000 of Republicans YES now
| Venue | Avg fill | Fee | Contracts | Pays if YES |
|---|---|---|---|---|
| Kalshi | 8.8¢ | $60 | 10,689 | $10,689 |
| Polymarket | 9¢ | $35 | 10,720 | $10,721 |
| Polymarket US | 9.1¢ | $59 | 10,335 | $10,335 |
Walks each venue's live asks with its own taker fee. Green is the most payout for the money.
Price by venue
Kalshi8.7¢Polymarket8.5¢Polymarket US9.1¢
7¢8¢9¢
Sep 24Sep 26Sep 27Sep 29Oct 1
Whale money by day, 30 days
YES $467KNO $1.3MSep 2Today
Whale trades
- $9416h ago
YES Republicans @ 9.1¢
Polymarket US
- $3.5K7h ago
NO Republicans @ 92¢
- $3.5K7h ago
NO Republicans @ 92¢
- See all 1,932 whale trades
Biggest positions
Order booksRepublicans YES
Kalshi
Yes priceSizeValue
8.7¢710$62
8.8¢111K$9.8K
8.9¢112K$9.9K
9¢113K$10K
9.1¢2.0K$182
Spread0.1¢
8.6¢18K$1.6K
8.5¢57$5
8.4¢19K$1.6K
8.3¢45K$3.8K
8.2¢51K$4.2K
Polymarket
Yes priceSizeValue
9¢234K$21K
10¢34K$3.4K
11¢72K$7.9K
12¢18K$2.1K
13¢11K$1.5K
Spread1¢
8¢25K$2.0K
7¢36K$2.5K
6¢118K$7.1K
5¢46K$2.3K
4¢10K$401
Polymarket US
Yes priceSizeValue
9.1¢29K$2.7K
9.2¢25K$2.3K
9.6¢900$86
9.7¢4$0
9.8¢2.0K$196
Spread0.1¢
9¢135K$12K
8.7¢4$0
8.6¢1.9K$163
8.1¢1$0
8¢6.0K$480