Major volcano eruption (VEI ≥6) in 2026?

Traders currently price "No" at 94% for "Major volcano eruption (VEI ≥6) in 2026?". Over the past 24 hours that probability moved up 0.5 points. The market has traded $128K in total volume and resolves Mar 31, 2027. Traders assign a 93.5% implied probability to “No” for a VEI ≥6 eruption in 2026 because such colossal events, defined by ejecta volumes exceeding 10 km³ and stratospheric plumes on the Volcanic Explosivity Index, recur on roughly 50–100-year intervals based on Holocene records from the Smithsonian Global Volcanism Program. With more than seven months elapsed without any confirmed VEI 6 activity amid dozens of smaller ongoing eruptions tracked by USGS and national observatories, the remaining window offers limited opportunity for the rapid magma accumulation and conduit conditions required. Monitoring data show no volcanoes currently exhibiting the sustained unrest or deformation patterns that historically precede these rare events. A sudden shift could occur only if an under-monitored caldera system like those in the Aleutians or Indonesia produces an unexpectedly rapid escalation in the final months, though official forecasts assign low odds to that scenario.

Odds sourced live from Polymarket, refreshed through the day. Prediction-market participation carries risk and may be restricted in your jurisdiction. Informational only — not investment advice.