On May 3, the Hong Kong exchange rate rose sharply after the end of the trading session of Hong Kong stocks yesterday, hitting 7.75 strong side conversion guarantee. The Hong Kong Monetary Authority disclosed this morning after the US stock trading session that it entered the market to undertake 6 billion US dollars to sell and inject 46.539 billion Hong Kong dollars into the market. It is the first time since April 2020 that the receiving cycle has started. After the Hong Kong Monetary Authority injected capital, as of May 7, the balance of the banking system will rise from 46.539 billion yuan to 91.309 billion yuan. The Hong Kong exchange rate strengthened sharply before the long weekend holiday, hitting 7.75 Hong Kong dollars per US dollar, hitting the strong side conversion guarantee. Due to the decline in the US dollar index, non-US currencies rose, and the Hong Kong stock entered the dividend period, as well as holiday factors, which increased the demand for funds.