
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 · 7.70
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Will Tetra visit San Diego again by the end of 2026?
Will NASA report the Global Mean Sea Level as greater than 107.5 mm above the 1993 baseline on December 31, 2026?
Will NASA report the Global Mean Sea Level as greater than 105 mm above the 1993 baseline on December 31, 2026?
Average annual rise in sea level in the next report prepared by the IPCC
Will NASA report the Global Mean Sea Level as greater than 90 mm above the 1993 baseline on December 31, 2026?
Will NASA report the Global Mean Sea Level as greater than 92.5 mm above the 1993 baseline on December 31, 2026?
Rules
This market will resolve to "Yes" if the water level at NOAA CO-OPS station 9410230 (La Jolla, CA) is equal to or greater than the listed value, in feet above Mean Lower Low Water, at any six-minute observation between 12:00 AM PT on October 1, 2026 and 11:59 PM PT on March 31, 2027.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/highest-sea-level-in-san-diego-this-winterAI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+32 more outcomes
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