U.S Trading Rules

U.S. Stock Market Trading Hours

U.S. Eastern Standard Time (EST)09:30 AM – 16:00 PM
Singapore Standard Time10:30 PM – 05:00 AMStandard Time
09:30 PM – 04:00 AMDaylight Savings Time

Daylight Savings Time begins from the second Sunday in March and ends on the first Sunday of November each year. Standard Time begins from the first Sunday in November and ends on the second Sunday of March each year.

U.S. Stock Trading and Settlement Mechanism

Day Trading

Day trading means buying and selling a batch of securities within a day. Day trading is often referred to as T+0 trading. Longbridge accounts can engage in unlimited day trading.

Short-Selling Rules

The short-selling of U.S. stocks are not supported for the time being.

Clearing Rules

U.S. stocks are subject to a T+2 closing system under which the clearing and closing process is not completed until the second business day after the transaction.

Minimum Board Lot Size and Price Limits for U.S. Stocks

The minimum board lot size for U.S. stocks is 1 share (fractional trading is currently not supported), and there is no single-day price limit.

Minimum Stock Tick Size

Minimum stock tick size: USD 0.0001 for stocks trading under USD 1 and USD 0.01 for stocks trading above USD 1

Are Pre-Market and After-Hours Trading Supported?

Longbridge supports the Pre-Market and After-hours trading of the US stocks outside of the standard trading hours. The Long Bridge trading hours for all US stock markets are stipulated as follows:

Pre-market trading hours for U.S. stocks4:00 a.m. - 9:30 a.m. (ET)
Singapore (Daylight Savings Time):4:00 p.m. - 9:30 p.m.Singapore (Standard Time):5:00 p.m. - 10:30 p.m.
After-hours trading hours4:00 p.m. - 8:00 p.m. (ET)
Singapore (Daylight Savings Time):
4:00 a.m. - 8:00 a.m.
Singapore (Standard Time):5:00 a.m. - 9:00 a.m.
After-hours trading hours for U.S. stocks on half-day trading days1:00 p.m. - 5:00 p.m. (ET)
Singapore (Daylight Savings Time):
1:00 a.m. - 5:00 a.m.
Singapore (Standard Time):
2:00 a.m. - 6:00 a.m.