
Trends
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Democratic Senate odds on October 9?
Republican Senate seats after the 2026 midterm elections?
Will Republicans lose any "Safe Republican" Senate race?
Republican Senate seats after 2026 election? (45-55, linear)
Which state will have the highest Republican senate candidate vote percent in 2026?
Excluding Susan Collins, will any Republican senate candidate get a higher percent of the vote than trump did in 2024?
Rules
This market will resolve to "Yes" if the Republican Party's hourly odds value in the "Senate 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-senate-odds-hit-by-october-31AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+12 more outcomes
+2 more outcomes
+5 more outcomes
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