There is no limit to the ups and downs of Hong Kong stocks, so there is no so-called daily limit or down limit. Trading rules of Hong Kong stocks: T+0 trading and T+2 settlement system are implemented, and there is no limit to the ups and downs. Trading time is divided into four periods: pre-trading period, early trading period, afternoon trading period and closing competition period. 9:30- 10:00 before the market, morning market 6544. Afternoon market 14:30- 16:00, closing time16: 00-10.

At present, domestic trading of Hong Kong stocks requires opening a Hong Kong stock account or a Hong Kong stock connect account (opened in a securities company). There is no capital requirement for opening a Hong Kong Stock Connect account, but there is a capital requirement of 500,000 yuan for opening a Hong Kong Stock Connect account.