
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: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
Market depth · ↓ 7%
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Republican House seats after the 2026 midterm elections?
Will Democrats win any of these ‘solid Republican’ house races?
Will a Republican House or Senate Candidate say Donald Trump should run for a third term before Midterms Election Day?
What will be the ideological caucus membership in the Republican House Caucus following the 2026 midterms?
How many Republican House Incumbents will not win their Primary?
Will Jim Jordan run for Republican House Leader?
Rules
This market will resolve to "Yes" if the Republican Party's hourly odds value in the "House Control 2026" listing on PredictionMarketOdds.com meets or exceeds the listed threshold for 4 consecutive hourly odds values, all published for a datapoint between market creation and November 1, 2026, 12:00 AM ET.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/republican-house-odds-hit-by-october-31AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+39 more outcomes
+45 more outcomes
+1 more outcomes