
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
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Meta (META) Up or Down on October 22?
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Meta (META) closes above ___ on October 22?
BTC price on Oct 21, 2026 at 5pm EDT?
Elon Musk # tweets October 16 - October 23, 2026?
BTC price on Oct 23, 2026 at 5pm EDT?
Rules
This market will resolve to "Up" if the Close price for Meta Platforms, Inc. (META) on October 21, 2026 is higher than the Close price for Meta Platforms, Inc. (META) 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/meta-up-or-down-on-october-21-2026AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+77 more outcomes
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