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当地时间2010年5月6日下午2:30至3:00,美国证券市场突然发生了“深V型”剧烈震荡,三大股指闪电崩盘后又快速反弹,期间多只个股出现盘中成交价接近于零的情况。虽然事件的真实原因仍在调查之中,但是事件过程中暴露出NMS法案实施后新市场环境下的制度风险和高频交易引发的技术风险值得警惕,美国交易所和监管机构的应急处理方式也值得学习和借鉴。
Local time May 6, 2010 at 2:30 pm to 3:00 pm, the United States Stock Market suddenly a “deep V ” severe shock, the three major stock indexes flashback quickly rebounded after the collapse of more than a few stocks appear intraday The transaction price is close to zero. Although the real reasons for the incident are still under investigation, the system risks in the new market environment and the technical risks caused by high-frequency trading after the implementation of the NMS act are worth noting. The emergency handling methods of the U.S. exchanges and regulators are also Worth learning and drawing lessons.