特朗普政策前神秘押注引爆内幕疑云，专家：应彻查

Core Viewpoint - The article discusses suspicious trading activities that occurred before major policy announcements during Trump's second term, raising concerns about potential insider trading and market fairness [1][2]. Group 1: Suspicious Trading Activities - Multiple instances of precise trading before significant policy announcements have been identified, suggesting potential insider information leaks [1]. - Notable cases include options trading just minutes before a tariff announcement in April 2025, where traders profited as the S&P 500 index rose by 9.5% [1]. - An anonymous account made over $400,000 betting on a change in the Venezuelan regime in January, and several accounts profited approximately $1.2 million before an Iranian event in February [1]. - Recently, traders placed $500 million in oil positions just minutes before a policy release, indicating a pattern of abnormal trading behavior [1]. Group 2: Regulatory Response and Challenges - The White House stated that government ethics rules prohibit profiting from non-public information, labeling the related accusations as "baseless" [2]. - The CFTC is monitoring unusual trading but has not confirmed whether an investigation has been initiated, while the SEC and the Justice Department have not responded [2]. - Regulatory challenges exist, particularly in the commodities market where insider trading enforcement is rare, and oversight of prediction markets is inadequate [2]. - The complexity of multiple regulatory agencies involved creates uncertainty in legal applicability, making thorough investigations difficult [2].