
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 · At least 1.25 million
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Will Colorado Amendment 84 (ID requirement for mail ballots) be approved in the November 3, 2026 election?
Will the US ban mail-in ballots for the 2026 midterm elections?
Will USPS reject at least 100,000 mail ballots due to Trump's executive order in 2026?
Will any ballot boxes or mail in ballots be confiscated in the 2026 midterms?
Mail-in ballots eliminated by 2026 midterms?
Pennsylvania mail voters: party registration margin?
Rules
If the UF Election Lab's count of Pennsylvania mail ballots requested for the 2026 general election is at least 1.35 million at 10:00 AM ET on November 4, 2026, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxpamailreq-26nov03AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+17 more outcomes
+7 more outcomes
+2 more outcomes
+5 more outcomes