The abnormal trading volume of put options between Futu and Tiger Securities raises doubts

According to a public options data platform, before the China Securities Regulatory Commission announced its intention to punish Futu and Tiger Securities on May 22, the trading volume of put options on the US stock market was unusually high on May 7, 19, and 21. On May 21st at 09:57 Eastern Time, StreetInsider reported abnormal trading of FUTU and TIGR. ThetaOwl data showed that the Put/Call ratio of Futu options expiring on May 22nd was significantly higher on May 21st. The market questions whether there may be funds pre positioning short positions before the announcement of the news.