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More than half of all "long shot" bets on Polymarket pay off

More than half of all "long shot" bets on Polymarket pay off

Summary

A research group found that more than half of large, risky bets on military actions made on the prediction market Polymarket were successful. This raises concerns that insiders might use secret information to place bets, which could threaten national security and fairness of the markets.

Key Facts

  • Long-shot bets on military action on Polymarket had about a 52% success rate, much higher than average.
  • These bets involve $2,500 or more with odds of 35% or less.
  • The research covered over 400,000 Polymarket trades from January 2021 to March 2026.
  • A US soldier was charged for allegedly betting over $400,000 on a secret mission involving Venezuela’s leader while having classified information.
  • This is the first US case prosecuting insider trading on prediction markets.
  • Similar charges were filed in Israel related to military operation betting.
  • Politicians warn these markets could encourage insiders to use secret information for personal gain, risking national security.
  • Polymarket said it bans trading on stolen or secret info and views the arrest as proof that controls are working.
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