Will there be exactly 3 confirmed VEI 4 or higher volcanic eruptions worldwide in 2026?
🗂 Part of event: How many large volcano eruptions (VEI ≥4) in 2026? →💡 What the odds say
The market puts this at about a 1% chance — almost no chance.
No money — just record your call and see if you were right. Yes is at 1% right now.
The market is heavily betting against exactly three VEI 4+ eruptions in 2026, reflecting the historical rarity of such a count despite occasional above-average years.
📊 Base rate: Over the 25-year period 2000-2024, the average annual number of VEI 4+ eruptions is approximately 1.2, with exactly three occurring in only a few years (e.g., 2002, 2004, 2006), making it a roughly 2-sigma event.
What's driving it
- • No clear catalyst recently; the 99% No odds are anchored by the long-term base rate of about 1.2 VEI 4+ eruptions per year.
- • The market's extreme skew reflects the difficulty of hitting an exact count of three, which is above the historical mean and requires a rare clustering of large eruptions.
The case for YES
- • If 2026 sees a repeat of active years like 2002 or 2004, which each had three VEI 4+ events, the market could resolve Yes.
- • A major eruption early in the year (e.g., a VEI 5 or 6) could set the stage for two more moderate VEI 4 events later, making three plausible.
The case for NO
- • Historical data from 2000-2024 shows that years with exactly three VEI 4+ eruptions are uncommon; most years have one or two, and some have none.
- • The current odds imply a ~1% probability, consistent with the observed frequency of such years over the past quarter-century.
What to watch
- • A confirmed VEI 4 or higher eruption in Q1 2026 would increase the probability of Yes, as it would start the count toward three.
- • If by mid-2026 only one VEI 4+ eruption has occurred, the odds of reaching exactly three would drop further, reinforcing No.
- • Publication of the Smithsonian GVP's preliminary 2026 tally in early 2027 would resolve the market, but no interim updates are considered final.
AI-generated · grounded in recent news + odds · informational only, not advice. Verify on the source platform.
Data from Polymarket’s public API, for informational purposes only. PredictPal is not affiliated with any platform and does not facilitate trading.
Discussion
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How it resolves
Settled on-chain by UMA's optimistic oracle: once an outcome is clear, anyone can propose the result, which then enters a challenge window where it can be disputed with evidence before it finalizes.
⚖️ A proposed outcome can be disputed during a challenge window before it's final.
Resolution criteria
This market will resolve according to the number of natural volcanic eruptions with a Volcanic Explosivity Index (VEI) of 4 or higher between January 1 and December 31, 2026, 11:59 PM ET. The primary resolution source will be the Smithsonian Institution Global Volcanism Program (GVP: https://volcano.si.edu/), specifically the cumulative figures for 2026 for VEI 4, VEI 5, and VEI 6 released on the page currently titled "Eruptions Avg 2000-2024 (N/T)" (https://volcano.si.edu/faq/index.cfm?question=eruptionsbyyear) as of March 31, 2027, 12 PM ET. Any prior updates will not be considered finalized. If this dataset has not been updated to include all relevant events by March 31, 2027, or if the Smithsonian GVP becomes permanently unavailable, this market may resolve based on a consensus of credible scientific sources, including the U.S. Geological Survey (USGS), national or regional volcanic observatories, or credible reporting of a scientific consensus. Note: Smithsonian Institution Global Volcanism Program databases, which include eruptions that reached the relevant threshold prior to this market’s timeframe (e.g., https://volcano.si.edu/faq/index.cfm?question=eruptionsbyyear&checkyear=2025), will not be considered.
ⓘ A market settles under its own written rules, which can lag what looks decided in the news — so the price may not move to 100% the moment an outcome seems obvious.
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