OpenAI Fires Employee Over Insider Trading on Prediction Markets Amid Growing Big Tech Exploitation Concerns

Feb 28, 2026
WIRED
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Summary

OpenAI fires an employee caught using insider knowledge to make trades on prediction market platforms like Polymarket, exposing a growing trend of Big Tech workers exploiting confidential information for personal gain as these markets surge in popularity and financial significance.

Key Points

  • OpenAI fires an employee after an internal investigation into insider trading activity on prediction market platforms, including Polymarket.
  • The fired employee is accused of making trades using insider knowledge, highlighting a growing trend of Big Tech workers exploiting privileged information on prediction markets like Polymarket and Kalshi.
  • Prediction markets are booming in popularity and financial significance, raising new ethical and legal concerns around how employees at major AI and tech companies use confidential information for personal financial gain.

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