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 · Will there be a run scored in the first inning?: Tampa Bay Rays vs. Cleveland Guardians — Yes
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Cleveland Guardians vs. Tampa Bay Rays
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Milwaukee Brewers vs. Los Angeles Dodgers
Cleveland Guardians vs. Tampa Bay Rays - First 5 Innings Winner
Los Angeles Dodgers vs. Milwaukee Brewers
New York Yankees vs. Tampa Bay Rays
Rules
In the upcoming MLB game between the the named outcome and Cleveland Guardians, scheduled for October 15 at 6:00PM ET:
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/mlb-tb-cle-2026-10-15AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+29 more outcomes