Odds Democrats Win the House in 2026
Live odds on Democrats 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
PolymarketDemocrats
92%median across venues
$100 pays $109on Polymarket US, before fees
| Venue | Bid | Ask | Spread | Depth ±5¢ | Vol 24h | Vol total | Open int. |
|---|---|---|---|---|---|---|---|
| Kalshi | 91.4¢ | 91.5¢ | $40K | $8.6M | |||
| Polymarket | 92¢ | 93¢ | $35K | ||||
| Polymarket US | 91.3¢ | 91.4¢ |
Buy $1,000 of Democrats YES now
| Venue | Avg fill | Fee | Contracts | Pays if YES |
|---|---|---|---|---|
| Kalshi | 91.5¢ | $6 | 1,086 | $1,086 |
| Polymarket | 93¢ | $3 | 1,072 | $1,072 |
| Polymarket US | 91.4¢ | $6 | 1,087 | $1,087 |
Walks each venue's live asks with its own taker fee. Green is the most payout for the money.
Price by venue
Kalshi91.5¢Polymarket92.5¢Polymarket US91.4¢
91¢92¢93¢
Sep 24Sep 26Sep 27Sep 29Oct 1
Whale money by day, 30 days
YES $1.7MNO $662KSep 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 booksDemocrats YES
Kalshi
Yes priceSizeValue
91.5¢131K$120K
91.6¢70K$64K
91.7¢19K$17K
91.8¢10K$9.2K
91.9¢1.3K$1.1K
Spread0.1¢
91.4¢11K$9.8K
91.3¢69K$63K
91.2¢76K$69K
91.1¢105K$95K
91¢58K$53K
Polymarket
Yes priceSizeValue
93¢86K$80K
94¢54K$51K
95¢81K$77K
96¢19K$18K
97¢44K$42K
Spread1¢
92¢434K$399K
91¢193K$176K
90¢82K$74K
89¢90K$80K
88¢63K$56K
Polymarket US
Yes priceSizeValue
91.4¢169K$154K
91.5¢1.0K$915
91.9¢12$11
92¢868$799
92.4¢103$95
Spread0.1¢
91.3¢93K$85K
91.2¢28K$26K
91¢15K$14K
90.8¢1$1
90.6¢16$14