A pending order can be cancelled. To re-place the order, you need to re-enter order price and quantity.
To deactivate a pending order means to put it on hold:
-A deactivated order is cancelled from the exchange, but the Futu Trading System still holds its info.
-To re-place the order, simply reactivate it. The order will have the same price and quantity.
This feature helps high-frequency traders quickly respond to ever-changing market conditions.