The high 91.5% market-implied odds favoring no VEI ≥6 eruption in 2026 stem primarily from the well-documented rarity of such colossal events, which occur only several times per century on average according to Smithsonian Global Volcanism Program records and USGS analyses. With 2026 already several months underway and no volcano currently exhibiting the sustained seismic swarms, rapid inflation, or massive sulfur dioxide emissions that historically precede Plinian-scale activity on the VEI scale, trader consensus reflects this baseline frequency. Ongoing smaller eruptions at sites like Kilauea and Great Sitkin remain well below the 10 cubic kilometer ejecta threshold required for VEI 6 classification. While monitoring networks continue to track unrest at potentially capable systems, an unexpected escalation at a single restless volcano could still shift outcomes before year-end.