Vanderbilt researchers found a Polymarket user staked nearly $200,000 on 31 October that Nebraska senator Pete Ricketts would win re-election, then profited over $77,000 after a New York Times/Siena poll showed him leading. Polymarket says it is investigating; Kalshi declined to comment.
Polymarket user says Vanderbilt researchers flag Ricketts bet before poll
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The story so far: Senators question Kalshi and Polymarket
Senators Elizabeth Warren and John Curtis asked Kalshi and Polymarket how they prevent insider trading and manipulation in election betting ahead of the midterms. Researchers have now flagged a Polymarket user who staked nearly $200,000 on Pete Ricketts winning re-election and profited over $77,000 after a poll showed…
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Polymarket user says Vanderbilt researchers flag Ricketts bet before poll
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