Midterm Joint Odds
2026 midterms · market-implied joint distribution

Midterm Joint Odds

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Scenario
None set. Click a state or district, then drag over its margin chart to set an outcome.
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Model vs market

Every national contract family against its order book: grey bars are the market's bid–ask, marks are the model. Fitted families enter the posterior through their exact order-book potentials (λ = 1); cross-state sweeps are priced out of sample. Markets tied to one seat (margin ladders, winner books, same-state Senate × governor combinations) are in that seat's panel: click it on the map.

Method & diagnostics

Model

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