The market's 96.7% implied probability for "No" reflects the brief remaining window until August 31 and the established global rate of roughly one to two magnitude-8.0+ earthquakes per year, with USGS records confirming no events above M7.7 so far in August 2026. Recent activity, including a M6.7 in Peru and a M6.0 off Japan, shows no foreshocks, aftershock sequences, or stress-transfer patterns on major subduction zones that would elevate near-term risk. Seismologists note that M8+ ruptures typically require decades of strain accumulation and are not reliably preceded by detectable signals in the final days. While an unforeseen event on an unmonitored fault remains theoretically possible, the absence of elevated alerts from NOAA or USGS monitoring networks keeps trader consensus firmly aligned with historical base rates.