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 · Tampa Bay Rays Team Total: O/U 1.5 — Over
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Related questions for context, not a comparison of equivalent contracts.
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Rules
In the upcoming MLB game between the the named outcome and Tampa Bay Rays, scheduled for October 12 at 8:00PM ET:
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/mlb-cle-tb-2026-10-12AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+55 more outcomes
+29 more outcomes