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 · Islanders vs. Senators: O/U 4.5 — Over
Loading selected book…
Book received (not venue quote time): —
Rules
In the upcoming NHL game, scheduled for October 15 at 7:00PM ET: If the Islanders win, the market will resolve to "Islanders".
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/nhl-nyi-ott-2026-10-15AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+69 more outcomes
+33 more outcomes
+29 more outcomes
+97 more outcomes