更新于：2026年3月23日 / 美国东部时间下午5:59 / CBS新闻
Polymarket正采取行动打击内幕交易，此前该预测市场因部分用户疑似利用机密信息或其他非公开信息在事件预测下注中获得优势而受到审查。
这家总部位于纽约的公司周一表示，已更新其规则，禁止基于”窃取的机密信息”或非法提示进行交易。Polymarket还明确规定，若交易者”拥有可能影响某一事件结果的权力或影响力”，则不得进行交易。
例如，上市公司CEO不得在一个专注于其在与华尔街分析师的财报电话会议中使用某一特定词汇次数的市场上交易。Polymarket的新规则现已发布在其网站的”市场诚信”页面上，适用于该公司的美国交易所及离岸业务。
“交易相关担忧”
像Polymarket这样的公司和竞争对手Kalshi允许用户就选举、体育赛事及其他众多事件的结果下注。尽管它们的受欢迎程度激增，但这些公司正受到立法者和其他批评者的关注，后者认为它们违反了反赌博法规，并对平台交易活动的公正性提出质疑。
特劳特曼·佩珀·洛克律师事务所合伙人斯蒂芬·皮普格拉斯（Stephen Piepgrass）表示：”来自美国境外和美国国内市场的交易相关担忧都存在。所以我认为，部分原因是他们试图建立一个适用于所有地区的监管框架。”
Polymarket称，它采用了”多层监控系统”，并与监控和技术专家合作，以确定用户是否违反其使用条款。该预测平台还概述了若发现可疑交易活动可能采取的几项措施，包括将此事移交执法部门并采取其他纪律处分。
Polymarket首席法务官尼尔·库马尔（Neal Kumar）在一份声明中表示：”市场的繁荣依赖于透明度。这些规则改进让所有参与者的预期更加明确，并凸显了我们已建立的合规基础设施。”
领先监管机构一步
近几个月，Polymarket引起争议，部分用户对前委内瑞拉总统尼古拉斯·马杜罗（Nicolás Maduro）的被捕和伊朗战争爆发等事件进行了时机精准的可疑下注。有用户似乎通过与美国打击伊朗时间相关的赌约获利数十万美元。
这一事件促使亚利桑那州民主党参议员鲁本·加列戈（Ruben Gallego）在社交媒体上写道：”光天化日之下的内幕交易。”
皮普格拉斯表示，Polymarket和Kalshi可能正试图加强自身的内幕交易规则，以防止国会采取限制措施。
“我认为担忧在于，如果这些市场平台不实施自己的监管机制，那么就会有人替他们这么做，”他告诉CBS新闻。
监管预测市场的美国商品期货交易委员会（CFTC）本月早些时候发布了指导意见，明确预测市场应采取哪些措施防止内幕交易。
作为拟议规则制定流程的一部分，该机构还鼓励交易所设计事件合约时与工作人员沟通，以识别潜在的”操纵或价格扭曲风险”。
皮普格拉斯称：”在某种程度上，这可能是为了在监管流程中抢占先机。”
Kalshi周一也宣布，该公司正在增强检测内幕交易的能力，并收紧防止市场操纵的政策。
该预测市场在一份声明中表示：”我们正在推出新的技术防护措施，预先阻止政治家、运动员和其他相关人员在特定政治和体育市场进行交易。”
Kalshi还表示，将在其平台中新增举报功能，允许用户标记潜在的规则违反行为。
编辑：Alain Sherter
Polymarket buckles down on insider trading after scrutiny over suspiciously timed bets
Updated on: March 23, 2026 / 5:59 PM EDT / CBS News
Polymarket is moving to quash insider trading as prediction markets face scrutiny over whether some users draw on classified or other closely held information to gain an edge in betting on events.
The New York-based company said Monday that it has updated its rules to prohibit trades based on “stolen confidential information” or illegal tips. Polymarket also clarified that traders cannot place a bet if they “hold a position of authority or influence” that may influence the outcome of a certain event.
For example, CEOs of a public company would not be allowed to trade on a market focused on how many times they will use a certain word during an earnings call with Wall Street analysts. Polymarket’s rules, which are now posted on a “market integrity”page on its website, apply to the company’s U.S. exchange and offshore operations.
“Concern around trading”
Companies like Polymarket and rival Kalshi let users wager money on the outcome of elections, sports contests and many other events. Yet while their popularity has exploded, the companies are attracting attention from lawmakers and other critics who say they violate anti-gambling regulations and who raise concerns about the integrity of trading activity on the platforms.
“There had been a lot of concern around trading on the U.S. market from outside the U.S. borders and vice versa,” said Stephen Piepgrass, a partner at Troutman Pepper Locke who leads the law firm’s regulatory practice. “So I do think part of this is about trying to create an approach that applies everywhere.”
Polymarket said it uses a “multi-layered monitoring system” and partners with surveillance and technology specialists to determine if users are violating its terms of use. The prediction platform outlined several steps it could take if it detects questionable trading activity, including referring the matter to law enforcement and taking other disciplinary actions.
“Markets thrive on clarity,” Neal Kumar, chief legal officer of Polymarket, said in a statement. “These rule enhancements make our expectations abundantly clear for every participant across both platforms and highlight the compliance infrastructure we have already built.”
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Staying ahead of regulators
Polymarket has raised eyebrows in recent months after some of its customers placed suspiciously well-timed bets on the capture of former Venezuelan President Nicolás Maduro and the outbreak ofwar in Iran. One user appeared to make hundreds of thousands of dollars on wagers related to the timing of U.S. strikes on Iran.
The incident prompted Senator Ruben Gallego, a Democrat from Arizona, to write on social media: “Insider trading in broad daylight.”
Piepgrass said Polymarket and Kalshi are likely trying to firm up their own rules against insider trading to preempt any move by Congress to impose restrictions.
“I think the concern is, if these market platforms don’t implement their own regimes, then someone’s going to do that for them,” he told CBS News.
The Commodity Futures Trading Commission, which regulates prediction markets, earlier this month issued guidance on what measures prediction markets should take to prevent insider trading.
As part of a proposed rulemaking process, the agency also encouraged exchanges to engage with its staff when designing event contracts to identify potential “manipulation or price distortion risks.”
“In some ways, this may be an effort to get in front of that process,” Piepgrass said.
Kalshi on Monday also announced that the company is enhancing its ability to detect insider trading and tightening its policies against market manipulation.
“We’re launching new technological guardrails that preemptively block politicians, athletes and other relevant people from trading in certain politics and sports markets,” the prediction market said in a statement.
Kalshi also said it is adding a whistleblower feature in its platform that lets users flag potential violations of its rules.
Edited by Alain Sherter
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