
Data as of Oct 29, 2026, 1:55 PM UTC · policy pm-quality-4
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 · 1.3M-1.35M
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Iowa Senate Election Winner
Iowa Senate Election Margin of Victory
Which party will win the 2026 Iowa Senate race?
Turek flips Hinson for Iowa Senate by November 2?
Iowa Senate and Governor Combo
If Josh Turek is the Democratic nominee, will he win the Iowa Senate race in 2026?
Rules
This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Iowa.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/iowa-senate-election-turnoutAI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+1 more outcomes
+2 more outcomes