The rapid growth of the prediction market Polymarket may not be entirely organic but instead inflated by artificial trading activity, according to research published by Columbia University.
In an 80-page paper titled “Network-Based Detection of Wash-Trading,” which has not yet undergone peer review, Columbia researchers identified extensive wash-trading activity on Polymarket beginning in July 2024. That month, they found that wash trades accounted for nearly 60% of the platform’s total…
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