The 92% market-implied probability for no megaquake by June 30 reflects the statistical rarity of magnitude 8.0+ events, which occur globally roughly once every several months on average, combined with the absence of elevated seismic alerts or precursors from the USGS as of early June 2026. Only about 26 days remain in the window, and recent activity has stayed well below threshold, with the strongest event a magnitude 6.2 in Italy on June 1 and no aftershock sequences indicating higher risk. While long-term subduction zones carry background hazard, short-term probabilities remain low absent new stress changes or foreshock activity. A sudden M8+ could still occur in high-risk regions like the Nankai Trough or Cascadia if unanticipated fault slip develops, though USGS data show such outcomes are historically uncommon without prior indicators.