Will there be between 11 and 13 earthquakes of magnitude 7.0 or higher worldwide in 2026?

Prediction markets currently give a 23% probability that Will there be between 11 and 13 earthquakes of magnitude 7.0 or higher worldwide in 2026?. This contract trades at 23¢ on Polymarket, closing December 31, 2026. This market prices an 11-13 magnitude 7.0+ earthquake outcome at just 28¢, implying a historically low frequency of roughly 1.8-2.2 events per month globally, well below the long-term average of 15-16 annually.

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23¢
Bid/Ask 19/26¢·Spread 7¢·Vol $146.55·OI $1,191.99·Closes Dec 31, 2026·245d remaining
0x5328ccb90355de61509485631db102862ec06146c9fd10d101fb9607c4344e03
7-day price171 snapshots · 54 regime
56¢23¢ current
Apr 817¢Apr 29

Analysis

12d ago

This market prices an 11-13 magnitude 7.0+ earthquake outcome at just 28¢, implying a historically low frequency of roughly 1.8-2.2 events per month globally, well below the long-term average of 15-16 annually. The extreme 363.8% implied yield on the "Yes" side combined with modest $228k daily volume and $5.3M open interest suggests thin liquidity and potentially mispriced tail risk, particularly given the 4-point uptick over 7 days that may reflect recent seismic activity reassessment. With 258 days to expiration and a neutral regime score, the low cliff risk index (3) indicates relatively stable pricing, though the 1¢ spread provides minimal arbitrage opportunity.

Resolution rules

This market will resolve according to the total number of earthquakes with a magnitude of 7.0 or higher that occur anywhere on Earth between January 1 and December 31, 2026, 11:59 PM ET. The resolution source for this market is the United States Geological Survey (USGS) Earthquake Hazards Program (https://earthquake.usgs.gov/earthquakes/browse/significant.php#sigdef). If an earthquake of substantial size has occurred within this market's timeframe but not yet appeared on the resolution source, this market may remain open until January 7, 2027, 11:59 PM ET, or until the earthquake in question otherwise appears on the resolution source. If such an earthquake has not appeared on the resolution source by that date, another credible resolution source will be used.

Indicators

IY (Yes) 498.6%
IY (No) 44.5%
Adj IY 325%
CRI 3
RV 2318%
VR 12.68
▶ Full indicator table (9)
IndicatorValue
IY (Yes)498.6%
IY (No)44.5%
Adj IY325%
CRI3
RV2318%
VR12.68
IAR1.1/h
Overround0.0%
LAS0.35

Regime

Label
neutral
Score
0.341
Spread
7¢
Computed
4/29/2026, 10:30:42 PM
Observability lowEvent type scientific
Has orderbookIndicators computed 4/29/2026, 10:23:56 PM

Trade

View on polymarketsf trade 0x5328ccb90355de61509485631db102862ec06146c9fd10d101fb9607c4344e03 yes 100

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