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 · Sabres vs. Canadiens: O/U 4.5 — Over
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Book received (not venue quote time): —
Rules
In the upcoming NHL game, scheduled for October 17 at 7:00PM ET: If the Sabres win, the market will resolve to "Sabres".
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/nhl-buf-mon-2026-10-17AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+22 more outcomes
+22 more outcomes