Stanford University researchers found signs that traders may be manipulating one of Polymarket's popular bitcoin betting markets by briefly influencing the crypto token's price used to decide the wagers. The working paper analyzed about two months of five-minute bitcoin bets on Polymarket. It found repeated instances of Binance spot order flow spikes roughly 50% above pre-launch levels in the seconds before the contract settled. The price quickly reverted after the close, the researchers said. The researchers said the pattern appeared to be a "transitory push to manipulate the spot price." The paper, ... (full story)