Yahui is an agent of a foreign exchange platform and can't be closed when it is closed. K-line is generated by trading and cannot be traded after closing. When the market closes, the K line does not fluctuate because there is no transaction.

Asian trading platforms trade according to the opening hours of Hong Kong and cannot close their positions at other times, but the K-line still fluctuates because the global foreign exchange market trades 24 hours a day (except weekends).

Beijing time:

Opening hours of Hong Kong: 9: 00- 17: 00.

London opening: 15: 30- 0: 30 the next day.