
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 · Magnitude of at least 5.2
Loading selected book…
—
Related Markets
Related questions for context, not a comparison of equivalent contracts.
What will the biggest earthquake be on October 20, 2026?
What will the biggest earthquake be on October 18, 2026?
What will the biggest earthquake be on October 19, 2026?
Will there be an 8 magnitude earthquake in California before 2027?
Where will a 6.0+ magnitude earthquake occur by end of October?
Where will the largest magnitude Earthquake be in 2026?
Rules
If the highest USGS-reported earthquake magnitude worldwide during Oct 19, 2026 from 12:00:00 AM through 11:59:59 PM UTC is 5.8 or higher, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxbiggestquake-19oct26AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+32 more outcomes
+3 more outcomes
+3 more outcomes
+20 more outcomes
+3 more outcomes
+32 more outcomes