Politics / Elections

WA-10 House winner? — Will Democratic win the House race for WA-10? — Democratic party

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.
95.4%volume-weighted implied probability
YES price range3.8pp dislocation
K
P
0%50%100%
Kalshi Polymarket
7-day price history Kalshi Polymarket
Kalshi
97¢
bid 97¢ · ask 98¢
Trade on Kalshi
Best price
Polymarket
94¢
bid 93¢ · ask 94¢
Trade on Polymarket

Mapping notes

Event pair: 'WA-10 House Election Winner' ↔ 'WA-10 House winner?' (score 0.80, outcome match 0.60).

Kalshi ticker
KXHOUSERACE-WA10-26-D
Resolves 11/3/2027
Polymarket condition
0xc00253e69a9f1637
Resolves 11/3/2026
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