**Trader consensus on “No” for a VEI ≥6 eruption in 2026 rests on the continued absence of any such event through early October and the inherent rarity of these eruptions.** VEI 6 events, defined by ejecta volumes exceeding 10 km³ and plume heights over 25 km on the Volcanic Explosivity Index, occur on multi-decadal to centennial timescales, with the most recent example being Pinatubo in 1991. Ongoing 2026 activity at frequently erupting systems such as Semeru, Ibu, and Anak Krakatau remains at low VEI levels (typically 1–3), with ash columns under 1 km and no signs of rapid escalation in USGS or PVMBG monitoring data. With roughly three months remaining and no caldera unrest or precursory signals indicating imminent large-scale magma mobilization, the market-implied probability aligns with the low likelihood of a qualifying eruption before year-end. An unexpected shift would require rapid intensification at an unmonitored or rapidly evolving system, an outcome historically uncommon in short time windows.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedView resolved

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