
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 · No
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Idaho passes ballot measure legalizing abortion?
Washington passes ballot measure restricting transgender school sports access?
Alaska passes ballot measure banning noncitizens from voting?
Arizona passes drug cartel ballot measure?
Will the Denver, CO ballot measure, Prohibit Force Feeding Birds and Sale of Foie Gras pass in the November Election?
Will the Massachusetts all-party primary voting format ballot measure pass?
Rules
Massachusetts Question 3, also referred to as the Top-Two Primary Elections Initiative, is a ballot measure scheduled to appear in the statewide general election currently scheduled for November 3, 2026, which would eliminate partisan primaries and create a top-two advance election system in Massachusetts.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/massachusetts-passes-jungle-primary-ballot-measureAI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+16 more outcomes
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