Polymarket saw $529M traded on bets tied to bombing of Iran TechCrunch By:Anthony Ha 1 March 2026 at 23:05 Six newly-created accounts made a profit of $1 million by correctly betting that the U.S. would strike Iran by February 28.
OpenAI fires worker over insider trading on prediction markets Tech in Asia By:Naomi Li Gan 28 February 2026 at 05:59 The activity violated a company policy banning workers from using inside information for personal gain.
OpenAI fires employee for using confidential info on prediction markets TechCrunch By:Julie Bort 28 February 2026 at 03:00 The company said such trades violates its internal company policies about using confidential information for personal gain.
Kalshi fined a MrBeast editor for insider trading on markets related to the YouTube star TechCrunch By:Amanda Silberling 25 February 2026 at 23:08 Kalshi fined the MrBeast editor, Artem Kaptur, over $20,000.