TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 29, 8:00 PM EST
Polymarket
This market tracks the frequency of major seismic events globally over a seven-month window. On Polymarket, there is a 97.4% probability that eight or more earthquakes measuring 7.0 or above will occur worldwide, with a 2.6% probability of exactly seven such earthquakes. The market resolves according to data from the United States Geological Survey Earthquake Hazards Program, which maintains the authoritative record of significant seismic activity. Watch for the June 30, 2026, 11:59 PM ET end of the observation period, after which the USGS data will determine the final earthquake count.
Prediction market odds reflect aggregated trader expectations based on historical seismic data, geological models, and real-time information. Traditional seismologists typically estimate long-term earthquake frequency using catalogs and Gutenberg-Richter relationships, which may differ from market-implied probabilities. Markets incorporate forward-looking sentiment and tail-risk pricing, whereas academic forecasts emphasize statistical averages. Comparing market odds to published USGS or international seismic hazard assessments can reveal whether traders are pricing in elevated or suppressed earthquake activity relative to expert consensus.
The market resolves on Jun 30, 2026, at which point the final earthquake count is determined and the outcome is settled. Resolution depends on verified magnitude 7.0+ seismic events recorded by authoritative geological monitoring agencies during the specified period. The exact resolution criteria and data sources are defined in the market's terms, ensuring that outcomes are based on objective, independently verifiable earthquake records rather than subjective interpretation.
Major seismic events—particularly any magnitude 7.0+ earthquakes occurring before Jun 30, 2026—will directly influence market odds by reducing the remaining count needed. Increased seismic activity in known hotspots such as the Pacific Ring of Fire, subduction zones, or mid-ocean ridges may raise trader expectations. Volcanic eruptions, large aftershock sequences, and changes in stress patterns detected by geophysicists can shift sentiment. Additionally, updated hazard assessments from USGS or international agencies, and any significant geological discoveries, may prompt repricing as traders adjust their forecasts.