加州：禁止官员借内幕消息在预测市场牟利

Core Viewpoint - California Governor Newsom signed a decree prohibiting state-appointed officials from using insider information for profit in prediction markets [1][2]. Group 1: Legislative Actions - The California Governor's office stated that certain officials with access to sensitive federal information were making highly accurate bets in prediction markets [2]. - The decree aims to prevent public service from being turned into a means for quick wealth accumulation [2]. Group 2: Prediction Market Insights - Four cases of prediction trading indicated that individuals without insider information were unlikely to make relevant trades, with profits ranging from tens of thousands to millions of dollars [2]. - Notably, six suspected insiders made bets on U.S. military actions against Iran, earning $1.2 million, having opened their prediction market accounts just days before the conflict [2]. - Prediction markets allow registered users to bet on global political, sports, and cultural events, combining online gambling and financial speculation [2]. Group 3: Market and Regulatory Environment - Companies like Polymarket and Kalshi have gained significant capital interest, with Polymarket valued at up to $10 billion [2]. - Federal legislative actions are underway regarding corruption issues related to prediction market platforms, with at least 11 state governments involved in legal disputes over Kalshi's operations [2]. - Donald Trump Jr. holds shares in Polymarket and serves as a strategic advisor for Kalshi [2].