Pre-set orders can be placed after the end of the U.S. T day during the post-hours trading session, and can be executed on T+1 day. The pre-paid orders support settings: 1. Valid on the Day or Good-Til-Canceled, 2. Whether to allow Fill outside RTH.
When set to allow Fill outside RTH, orders will be automatically queued up at the beginning of the US stock pre-market trading period (04:00 EST).
When it is set to not allow Fill outside RTH, the order will be automatically queued for submission during the continuous trading period of US stocks (09:30 EST).
04:00-20:00 Eastern Time
（1）The United States has summer time and winter time. Summer time is from 16:00 Beijing time to 8:00 the next morning, and winter time is 17:00 Beijing time to 9:00 the next morning.
（2）US Eastern Time 04:00-09:30 is the pre-market trading hours for US stocks, and 16:00-20:00 is the US stocks post-hours trading hours. Pre-market and post-market orders will be submitted to the exchange for trading.
（1）Limit orders placed in the pre-market/post-market time period will be submitted to the exchange immediately, and the order matching will be matched according to the real-time market price; note that the market bidding price difference in the pre-market and post-market time periods is large, please pay attention to the risks.
（2）For buying the limit order, if the stock price is not lower than the limit price, the order will not be executed; for a sell limit order, if the stock price does not exceed the limit price, the order will not be executed. Any unfilled limit orders will be automatically cancelled after the market closes.
（3）The incompletely filled part of the limit order can be cancelled and edited.
（4）The original order is still in effect during the process of order modification or cancellation, and there may be situations in which the original order cannot be withdrawn or modified during the modification process.
The limit order is a convenient online transaction method provided by Futu for customers. Futu provides as stable service as possible, but we cannot guarantee its absolute reliability. If the limit order is not executed due to network interruption, server abnormality and other physical factors, Futu will not be liable for any loss or damage caused thereby.