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总结
多家媒体称，美国预测市场Polymarket上围绕“马杜罗被捕/下台”的合约在1月引发异常大额押注，一名神秘交易者据称获利逾40万美元，另有报道指可能与特朗普政府相关人士受益。事件促使国会议员提出新法案，拟禁止政府官员利用未公开信息在Polymarket等平台交易，并加强披露与监管，以降低政策与国家安全敏感事件被投机牟利的风险。
正文
Lucrative online trades on Maduro ouster spur new bill to ban Polymarket insider trading Axios US traders make big profits betting on Maduro's capture in January The Guardian There's Compelling Evidence That Someone Connected to the Trump Administration Profited Off the Invasion of Venezuela by Placing Large Bets on Polymarket Yahoo Lawmaker plots insider trading ban for government officials after Polymarket trader nets over $400k off Maduro's capture Business Insider A Mystery Trader Made $400,000 Betting on Maduro's Downfall The Wall Street Journal
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