Trading Rules
U.S. stock market trading sessions
Pre-market and after-hours trading quote update period
Do U.S. stocks support day trade
Is there a limit on price fluctuations for US stocks
Minimum trading unit for U.S. stocks
What is off market orders
Why the sell order price of U.S. stocks is lower than the best ask price, but can not be traded
What is the settlement rule for U.S. stocks
Extended trading risks
Other Notes on Placing US Stock Orders
What is penny stock
US Stock MV and P/L Calculation
Why use pre and post-market prices to calculate the market capitalization and profits and losses of stocks during respective period
Why my stock is banned from trading during pre-market trading session
Arrangement for delay or failure of trading system
Why should the placement of market orders be restricted
Withholding Tax on Publicly Traded Partnerships (PTP) Securities and Trading Arrangements
U.S. market overnight trading
Risk and Important Information relating to Trading in Over-the-counter ("OTC") Securities or Derivatives
US Stock Moving to T+1 Settlement
Order Type
US Stock Option
US Index Option
ETF
Stock Yield Program
Fractional shares trading in the US stock market
Dividend Reinvestment Plan
U.S. Pre and Post-Market Quote Update Session:
Pre-Market(ET): 4:00~9:30
After-Hours (ET): 16:00~20:00
The Pre and Post Quote are ranked by the latest data, when not in the update period, it will display the latest market quote.
Note: The T represents a particular trading day, the T-1 is the previous trading day.
Time(ET) | Pre-Market | After-Hours |
0:00~4:00 （Close） | T-1 | T-1 |
4:00~9:30 （Pre-Market） | T | T-1 |
9:30~16:00 （Regular Trading Hours） | T | T-1 |
16:00~20:00（After-Hours） | T | T |
20:00~24:00（Close） | T | T |
For non-trading days, the most recent quote available on the most recent trading day will be used.