
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
Market depth · 234-237
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Book received (not venue quote time): —
Related Markets
Related questions for context, not a comparison of equivalent contracts.
How many House seats will Democrats hold after the Midterms? (Directional)
How many Senate seats will Democrats hold after the Midterms? (Higher strikes)
How many Senate seats will Democrats hold after the Midterms?
How many House seats will Republicans hold after the Midterms?
How many seats will the Democrats hold in the U.S. Senate after the 2026 Midterm Election?
How many seats will the Democrats hold in the U.S. Senate after the 2026 Midterm Election?
Rules
If the Democratic party has between 234-237 House seats on Feb 1, 2027, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxdhouseseats-27AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+9 more outcomes
+36 more outcomes
+1 more outcomes