
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 · Up
Loading selected book…
Book received (not venue quote time): —
Rules
This market will resolve to "Up" if the Close price for Opendoor Technologies Inc. (OPEN) on October 12, 2026 is higher than the Close price for Opendoor Technologies Inc. (OPEN) on the most recent prior trading day.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/open-up-or-down-on-october-12-2026AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp