Polymarket traders bet $725K combined on Spurs-Thunder playoff games
Polymarket traders placed at least $725,000 in large single bets on Spurs-Thunder NBA playoff games between May 20 and May 23. On May 20, a user invested over $150,000 on Game 2 of the Western Conference Finals, purchasing 480,939.3 shares at 32 cents each per a Phemex report; a separate Binance report the same day noted another $150,000-plus position on the same game without identifying the outcome. A third source flagged a significant odds shift on the Spurs-Thunder event that day without providing figures. On May 23, a trader wagered $575,000 backing the Spurs to defeat the Thunder, flagged by Polymarket Sports as high-volume single trade activity. Separately, Polymarket posted Spurs-Thunder Game 4 highlights on Snapchat Spotlight on May 25, which drew 39 likes, 1 comment, and 3 shares and included no trading data.
These whale trades surface while five federal and journalistic probes already scrutinize Polymarket wallet clusters for abnormal win rates on Iran military contracts. Any fresh surveillance gap on sports markets could harden bipartisan House support for binding federal registration requirements before the Senate-passed legislation reaches a floor vote.
Polymarket whale surveillance joins five concurrent federal and journalistic probes already tracking abnormal wallet clusters on its Iran military contracts and NBA markets, widening the same surveillance gap that House Oversight now subpoenaing for June 5.