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Columbia University study claims 25% of Polymarket trades are inflated

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Pooja Rajkumari
Nov 7, 2025 9:15 PM
Researchers from Columbia University claim nearly a quarter of Polymarket’s historical trading volume may be artificially inflated through wash trading.
www.thestreet.comColumbia University study claims 25% of Polymarket trades are inflatedResearchers from Columbia University claim nearly a quarter of Polymarket’s historical trading volume may be artificially inflated through wash trading.
Polymarket Wash Trading•Shayne Coplan•Columbia University Research
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