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How many House seats will Democrats win in California? — Will Democrats win exactly 49 seats in the 2026 U.S. House of Representatives elections in California?

Heads up: Kalshi and Polymarket resolve this market 364 days apart — the price difference may reflect different time horizons rather than a genuine arbitrage opportunity.
1.6%volume-weighted implied probability
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Kalshi
3¢
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Polymarket
2¢
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24h vol $80
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Mapping notes

Event pair: 'How many House seats will the Democrats win in California?' ↔ 'How many House seats will Democrats win in California?' (score 0.75, outcome match 0.50, llm=uncertain).

Kalshi ticker
KXCAHOUSEDEM-26NOV03-E49
Resolves 11/3/2027
Polymarket condition
0xd5e57dc8f33263bf…
Resolves 11/4/2026
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