Politics / Elections

MA-04 House winner? — Will Democratic win the House race for MA-04? — Democratic party

72.0%volume-weighted implied probability
YES price range43.1pp dislocation
K
P
0%50%100%
Kalshi Polymarket
Best price
Kalshi
50¢
bid · ask 98¢
Trade on Kalshi
Polymarket
94¢
bid 93¢ · ask 94¢
Trade on Polymarket

Mapping notes

Event pair: 'MA-04 House Election Winner' ↔ 'MA-04 House winner?' (score 0.80, outcome match 0.60).

Kalshi ticker
KXHOUSERACE-MA04-26-D
Resolves 11/3/2027
Polymarket condition
0x9c23f0b0eaa01a86
Resolves 11/3/2026
Pro
Order book depth, real-time dislocation alerts, correlated markets, and cross-venue portfolio margin — coming soon.