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美 SEC 专员“六问”美股 23*5 交易:呼吁关注流动性、信息披露等问题

2026-09-17 23:58:12

ChainCatcher 消息,美国证券交易委员会(SEC)专员 Hester M. Peirce 表示,美股延长交易时段目前正逐步形成“23 小时、每周 5 天”的交易模式,尽管隔夜交易目前占 NMS 股票总交易量不足 1%,且高度集中于少数股票,但过去两年新老交易场所均在积极延长运营时间,同时提出六项关键问题:

1、美国股市应如何借鉴已长期运行的外汇、加密货币及期货市场经验;

2、隔夜流动性分散、价差扩大时,券商如何履行最佳执行义务并加强散户投资者保护;

3、当隔夜流动性不足、执行成本较高时,资产管理机构选择不进行隔夜交易是否仍属于合理的受托决策;

4、延长交易时间是否会改变上市公司发布财报及重大信息的方式;

5、鉴于美国东部时间 17时 30 分后提交的 EDGAR 文件通常要到下一工作日才处理,SEC 是否需要调整 EDGAR 系统以确保隔夜交易时段及时披露重大信息;

6、SEC 是否应为上市公司,尤其是小型公司,提供相关指导或监管豁免。

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