
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 · $0.50
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Opendoor (OPEN) closes week of Oct 19 at ___?
Will Opendoor (OPEN) close above ___ end of October?
Opendoor (OPEN) Up or Down on October 19?
What will Opendoor Technologies Inc. (OPEN) hit Week of October 19 2026?
Anthropic IPO Closing Market Cap
S&P close price end of 2026?
Rules
This market will resolve to "Yes" if the Close price for Opendoor Technologies Inc. (OPEN) on the final day of trading of the week specified in the title (normally Friday) is higher than the listed price.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/open-above-on-october-23-2026AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+7 more outcomes
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