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The U.S. Commodity Futures Trading Commission (CFTC) has intensified its regulatory scrutiny of prediction markets, with enforcement chief David Miller declaring insider trading on platforms like Kalshi and Polymarket illegal and a top enforcement priority. This comes alongside a $1.6 billion institutional investment in Polymarket by Intercontinental Exchange (ICE) and Kalshi’s approval to offer margin trading to institutional clients. The CFTC’s actions signal a shift toward treating prediction markets as regulated derivatives, while institutional capital and expanded access highlight the sector’s growing legitimacy. For traders, this regulatory clarity could stabilize market structures but may also increase compliance costs for platforms and participants. The CFTC’s hiring plans and simplified cooperation policies suggest a long-term strategy to monitor and control these markets, which could influence how prediction markets evolve as financial instruments. Investors should watch for further regulatory developments in the U.S. and other jurisdictions like Gibraltar, which recently licensed a prediction market operator, indicating potential global expansion.