
Data as of Oct 30, 2026, 1:33 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 · No
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Rules
The Jones Act of 1920 requires that all goods transported by water between U.S. ports be carried by vessels which are built in the U.S., owned by U.S. citizens, flagged to the U.S., and manned by U.S. crews.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/jones-act-domestic-shipping-requirements-removed-by-december-31-20260629145453301AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+6 more outcomes
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