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 12 and 14%? — Democrats, 12 to 14%

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.
7.1%volume-weighted implied probability
YES price range
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P
0%50%100%
Kalshi Polymarket
7-day price history Kalshi Polymarket
Kalshi
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24h vol $414
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Best price
Polymarket
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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 0.45).

Kalshi ticker
KXHOUSEPOPVOTEMARGIN-27NOV03-B13
Resolves 11/3/2027
Polymarket condition
0xcdfad8e20c0fdb93
Resolves 11/3/2026
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