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 · Atsumi Harasawa
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
The next Yokohama mayoral election is scheduled to be held on October 18, 2026, to elect the mayor of Yokohama, Japan (横浜市長).
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/yokohama-mayoral-election-winner-2026AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+6 more outcomes
+17 more outcomes
+40 more outcomes
+1 more outcomes