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 · December 31
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Will Valve add first CS2 operation by which date?
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Will Valve Release a MacOS port of CS2 by the end of 2027.
Rules
This market will resolve to "Yes" if Valve adds the map Cobblestone to the official map pool by the listed date at 11:59 PM ET.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/will-valve-add-cobblestone-to-the-map-pool-by-2AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+24 more outcomes
+22 more outcomes