Citation

Polymarket - Footnote 80

confirmed100% confidence

1 evidence check

Last checked: 4/3/2026

Migrated from citation_quotes. Original verdict: accurate

Evidence — 1 source, 1 check

fortune.com/2025/11/07/polymarket-wash-trading-inflated-prediction-markets-columbia-research/(1 check)

confirmed100%Haiku 4.5 · 4/3/2026

Found: A Columbia University study posted to SSRN in November 2025 found that wash trading—artificial trading activity to inflate volume—averaged 25% of buying and selling over the past three years on Polyma…

Note: Migrated from citation_quotes accuracy check. Original verdict: accurate

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