Politics / Elections

2026 Midterms: House popular vote margin of victory? (Generic ballot) — Will Democratic margin of victory in the 2026 U.S. House of Representatives national popular vote be between 8 and 10%? — Democrats, 8 to 10%

Heads up: Kalshi and Polymarket resolve this market 366 days apart — the price difference may reflect different time horizons rather than a genuine arbitrage opportunity.
24.0%volume-weighted implied probability
YES price range
K
P
0%50%100%
Kalshi Polymarket
7-day price history Kalshi Polymarket
Best price
Kalshi
24¢
bid 23¢ · ask 25¢
24h vol $310
Trade on Kalshi
Polymarket
25¢
bid 24¢ · ask 25¢
Trade on Polymarket

Mapping notes

Event pair: '2026 Midterms: House Popular Vote Margin of Victory' ↔ '2026 Midterms: House popular vote margin of victory? (Generic ballot)' (score 0.58, outcome match 0.40).

Kalshi ticker
KXHOUSEPOPVOTEMARGIN-27NOV03-B9
Resolves 11/3/2027
Polymarket condition
0x5db0b6a0e75f58d8
Resolves 11/3/2026
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