Yes, typically, many orders for trading instruments held overnight require payment of overnight interest. Overnight interest is a fee credited to or debited from the trading account at 22:00 (GMT+0) (06:00 Beijing time) on business days, and on Wednesdays or Fridays the overnight interest is three times that of other days (depending on the instrument).
*Energy (commodity) instruments do not require triple overnight interest. Energy instruments are charged single overnight interest each day of the week.