superthesis × polymarketmarket watch · 01
crowd says quiet. history says no.
The crowd says 2026 stays silent.
We read it at 12%.
The claim requires 2026 to be the first calendar year in at least a quarter-century of essentially complete records to log zero confirmed VEI 4+ eruptions. H1 is clean — but six months of active volcanic season remain, and the base rate is unforgiving.
A price tells you what people bet. A verdict tells you why.
analysis as of Jun 23, 2026 · crowd price as of Jun 23, 2026
/ the questionmarket snapshot · Jun 23, 2026
/ what the market is pricing
One claim. Real money on the line.
The claim under test
Will there be exactly 0 confirmed VEI 4 or higher volcanic eruptions worldwide in 2026?
Polymarket crowd · Jun 23, 2026
68%
implied probability · yes
0 · nolong shotyes · 100
/ superthesis · run on the same claimthe engine, not the odds
/ argue both sides, score the evidence
What the engine actually finds.
“Will there be exactly 0 confirmed VEI 4 or higher volcanic eruptions worldwide in 2026?”
The crowd prices a zero-eruption year at 69%; after arguing both sides, superthesis lands at 12% — a 57-point gap anchored by 25 consecutive years of GVP records with at least one confirmed VEI 4+ event.
Mayon's 2026 column height confirmed at ~1.3 km above summit — VEI 1-2 range, not VEI 4+
clearedVOTW v5.3.6 (16 May 2026) lists 47 confirmed 2026 eruptions with no VEI 4 designation
cleared25-year GVP record (2000–2024) shows at least one confirmed VEI 4+ start in every calendar year
refutedH2 2026 (July–December) closes with no qualifying VEI 4+ eruption across all globally monitored systems
openGVP 2026 finalized dataset (expected by March 2027) contains no retroactive VEI 4+ classifications
openThesis · the case for
H1 2026 has closed without a single confirmed VEI 4+ eruption — VOTW v5.3.6 catalogues 47 active eruptions with no qualifying designation, and Mayon's most prominent episode peaked at ~1.3 km above summit, roughly an order of magnitude below the VEI 4 column-height threshold. Conditioned on a clean H1 and a half-year Poisson rate of approximately 0.75, roughly 47% of years would see the first qualifying event arrive only in H2, leaving a genuine tail for a silent full year.
Antithesis · the case against
The GVP's own documentation states that VEI 4+ frequency has been 'impressively constant for more than a century,' and the compiled 25-year record (2000–2024) shows at least one confirmed VEI 4+ eruption start in every single calendar year — no zero-count precedent exists in the modern complete record. Six months of active volcanic season remain across dozens of globally monitored systems, and an unconditional Poisson model yields only approximately 22% probability of a zero-count year.
Synthesis · the calibrated reading
The claim that 2026 will record exactly zero confirmed VEI 4+ volcanic eruptions is almost certainly false. The decisive evidence is the uncontested 25-year empirical record (2000–2024) showing at least one confirmed VEI 4+ eruption start in every year, established by T1 GVP sources, with a base rate the GVP itself calls 'impressively constant for more than a century'; a Poisson model yields only ~22% probability of a zero year unconditionally, and no zero-count year exists in the modern complete record to calibrate against. While H1 2026 does appear clean of VEI 4 events — Mayon's effusive eruption is firmly characterized as VEI 1–2 by column height data — this is statistically consistent…
0.12superthesis signal
0.09–0.15
0.09–0.15
0 · refutedcontestedconfirmed · 1.0
// the cases, gates, and the calibrated signal are from a live superthesis run on this claim. every source it weighed is listed below.
/ the evidenceevery claim, sourced
/ what the verdict is built on
The receipts. No black box.
superthesis cites what it reads. These are the sources weighed in the run above — open and auditable.
01Global Volcanism Program, Smithsonian Institution. GVP Daily Activity Reports: Mayon, 30 A02Global Volcanism Program, Smithsonian Institution. VOTW v5.3.6, 26 May 2026.03USGS Yellowstone Volcano Observatory. 'Volcanic Explosivity Index: A Tool for Comparing th04IQAir USA. 'Volcanic Eruption Map Spotlight: Mayon Volcano, Philippines.' May 2026.05Global Volcanism Program, Smithsonian Institution. Mayon volcano historical profile.06GVP FAQ. 'Has volcanic activity been increasing?'07Global Volcanism Program, Smithsonian Institution. GVP Weekly Activity Report: Mayon, 11–108Andrews, Venzke, Cottrell et al. 'The Volcanoes of the World database.' Bulletin of Volcan09Global time-size distribution of volcanic eruptions on Earth — Scientific Reports / Nature10List of volcanic eruptions in the 21st century — Wikipedia.11Geology.com. 'Volcanic Explosivity Index.'12Global Volcanism Program, Smithsonian Institution. 'Volcanoes of the World (VOTW) Database13Newhall & Self. 'The Volcanic Explosivity Index (VEI): An Estimate of Explosive Magnitude 14Smithsonian Magazine / National Museum of Natural History, 19 December 2025.
/ crowd vs. enginea price is not an argument
/ why this matters
The market gives you a number.
We give you the reasoning.
/ same claim · two ways of knowing
Polymarket · 0.68
superthesis · 0.12
0 · won't happen1.0 · will happen
A prediction market aggregates bets; superthesis aggregates arguments — it decomposes the claim, makes the strongest case on each side from sourced evidence, and reports a calibrated reading you can audit. The price says where the crowd sits; the verdict shows why.
Stop reading the odds. Read the evidence.
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