**Trader consensus strongly favors no VEI 1+ eruption at Vesuvius in 2026 (93.8% on “No”), driven by persistently low monitoring parameters through mid-October.** The Italian National Institute of Geophysics and Volcanology (INGV) Osservatorio Vesuviano reports September 2026 seismic activity at baseline levels—121 events, mostly below magnitude 1.0, with a maximum of 1.7 and no magmatic deformation or significant geochemical shifts. Alert status remains green, consistent with the volcano’s quiescence since its last eruption in 1944. Long-period low-frequency signals and localized fumarole temperatures have drawn note but are not viewed as short-term precursors by INGV scientists. With only weeks left in the year, the absence of escalation reinforces the market’s high implied probability. A sudden, rapid-onset event before December 31 remains possible given inherent volcanic uncertainty, though current data show no supporting indicators.