Several newly created accounts on Polymarket placed nearly $70,000 in bets on a potential US-Iran ceasefire, indicating possible insider knowledge. If the ceasefire occurs before 31 March, these accounts could collectively earn nearly $820,000.

OpenAI terminated an employee for using confidential company information to engage in prediction market activities on platforms like Polymarket. CEO Fidji Simo confirmed the dismissal in an internal message, emphasizing that such actions violate company policies against using confidential information for personal gain.