Researchers from Vanderbilt University identified an account, “dubdubdub2,” that bet $191,277 on Pete Ricketts’ victory in Nebraska roughly one hour before a Times/Siena poll gave him a six-point lead. The same account committed $622,608 on Michigan before a poll favored Democrat Abdul El-Sayed, earning approximately $258,000 on these positions. According to The Block, the bettor had lost $783,000 on Hyperliquid during the preceding 26 hours, which contradicts the assumption of guaranteed expertise. Polymarket detected the transactions immediately and said it was investigating, while Kalshi did not comment; the case remains unresolved amid increased scrutiny of prediction markets.
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