Traders made over $1 billion in highly suspicious bets on major Iran war developments—including $855k wagered the day before February 27 US-Israel airstrikes, $553k on Khamenei's assassination, and $950m on oil price movements hours before Trump announced ceasefire deals. The timing and scale of these bets have triggered CFTC complaints and Congressional concern about potential insider trading, though legal experts note individual trades could be lawful without proof of advance knowledge. The core issue remains unresolved: whether regulators have the tools to investigate trading across decentralized prediction markets and derivatives exchanges, or whether new legislation is needed.