
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 · Ed Markey
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Massachusetts Senate margin of victory
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Massachusetts Senate Election Margin of Victory
Massachusetts Senate Election: Turnout
Rules
If a representative of the Democratic party is sworn in as a Senator of Massachusetts for the term beginning in 2027, then the market resolves to Yes.
2 venues currently price this market. CoinRithm's cross-venue reference probability for Ed Markey (D) is 98%. The venues do not agree on which outcome is ahead.
CoinRithm reference Ed Markey (D) 98% · 2 venues · 0 pt venue spread
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/senatema-26AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+2 more outcomes
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