OpenAI fires employee over Polymarket trades, signals zero tolerance on inside information

OpenAI

• OpenAI fired employee for using confidential info on prediction sites
• Company bans staff from insider trading for profit
• The case highlights rising compliance risks at tech and AI firms

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OpenAI has dismissed an employee over activity on prediction platforms, confirming to Wired that the individual used confidential company information in connection with trades.

OpenAI did not disclose the employee’s identity, but a spokesperson said the conduct violated internal policy. The company bans workers from using inside information for personal gain, including on prediction markets.

Betting on OpenAI’s future

Prediction markets such as Polymarket and Kalshi allow users to place wagers on real-world outcomes. These can range from political events to corporate milestones.

On Polymarket, for instance, traders are currently speculating on what products OpenAI might announce in 2026 and when the company could go public. Such markets can involve significant sums. In a recent example, an accountant reportedly won $470,300 on Kalshi after betting against DOGE-related optimism.

While prediction platforms reject the label of gambling, describing themselves as financial exchanges, the insider risk is obvious. Employees at major tech firms often possess material non-public information about product timelines, funding rounds or regulatory moves, all of which could influence market odds.

Kalshi itself recently fined and banned a MrBeast editor over alleged insider trading activity, highlighting that enforcement is tightening across the sector.

A broader governance challenge

As AI firms grow in scale and influence, internal knowledge about model releases, funding announcements or strategic partnerships can move markets instantly.

With prediction markets expanding in popularity, especially around tech and crypto themes, companies face pressure to ensure employees do not exploit privileged access. The reputational stakes are high, particularly for firms already navigating regulatory debates and massive funding rounds.

OpenAI did not immediately provide additional comment beyond confirming the dismissal.

The incident may serve as a warning shot across Silicon Valley: in an era where even product rumours can become tradable assets, internal discipline matters more than ever.