
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: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
Market depth · Before the 2028 season
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Related questions for context, not a comparison of equivalent contracts.
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Rules
If Novak Djokovic announces their retirement from ATP before the 2028 ATP season start date, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxatpretire-28djoAI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+16 more outcomes