Mount Vesuvius remains in a state of low activity, with official INGV monitoring classifying it at green alert level and no significant seismic, deformation, or gas emission changes detected that would signal magma ascent capable of producing a VEI 1+ eruption. The volcano has been quiescent since its last eruption in 1944, with current signals limited to minor intra-crater fumaroles and low-energy gravitational seismicity consistent with long-term dormancy rather than unrest. Historical patterns show typical repose intervals of decades between eruptive cycles, making an abrupt shift to explosive or effusive activity before year-end statistically improbable absent new precursors. Traders assign the 95% “No” probability because ongoing surveillance data through mid-2026 shows no escalation, though an unexpected rapid escalation in seismicity or gas flux could still alter the outlook before December 31.