Trading Hours
What are the trading hours for U.S. stock options?
1) Regular Trading Session (same as most U.S. stock options during regular market hours)
The regular trading hours for U.S. stock options are 09:30–16:00 Eastern Time (ET). Some ETF options may trade until 16:15 ET, subject to the specific contract and the trading hours displayed in the App.
Approximate corresponding Hong Kong Time (HKT):
|
|
Hong Kong Time (approx.) |
U.S. Eastern Time (ET) |
|
U.S. Daylight Saving Time (EDT) |
21:30–04:00（next day） |
09:30–16:00 |
|
U.S. Standard Time (EST) |
22:30–05:00（next day） |
09:30–16:00 |
The actual switch dates are subject to U.S. Daylight Saving Time / Standard Time announcements and the trading hours displayed in the App.
2) Pre-market Extended Trading Session (supported for selected instruments on uSMART)
In addition to regular trading hours, certain highly liquid U.S. stock and ETF options are available for trading during the pre-market extended session (please refer to the eligible instruments listed in the App).
According to the current product information on uSMART, the pre-market trading session is 04:00–09:30 Eastern Time (ET), corresponding approximately to the following Hong Kong Time (HKT):
|
|
Hong Kong Time (approx.) |
U.S. Eastern Time (ET) |
|
U.S. Daylight Saving Time (EDT) |
16:00–21:30 |
04:00–09:30 |
|
U.S. Standard Time (EST) |
17:00–22:30 |
04:00–09:30 |
