Trading Hours of Hong Kong Stocks? - Hong Kong Market Rules
1. Pre-Opening Session
Auction Period 9:00-9:15 | Can submit, modify, cancel auction market orders and auction limit orders |
Pre-Match Time 9:15-9:20 | Only auction market orders can be submitted, and it is not allowed to cancel or change the auction market orders and auction limit orders |
Match Period 9:20-9:28 | During the matching period of the auction period, the unmatched auction market orders will be automatically canceled; the unmatched auction limit orders will be automatically converted into limit orders, and the transaction will continue to wait for the transaction during the continuous trading period |
2. Continuous Trading Session
| Morning Market | 9:30-12:00 |
| Closed at Noon | 12:00-13:00 |
| Afternoon Market | 13:00-16:00 |
Note: It is not allowed to change the order during the noon rest period, and it is allowed to cancel the order from 12:30-13:00.
3. Closing Auction Session
| Reference Price Fixing Period 16:00-16:01 | Calculate and publish the reference price; orders cannot be submitted |
Order Input Period 16:01-16:06 | You can submit, modify, and cancel auction market orders and auction limit orders. The price limit of auction limit orders cannot exceed ±5% of the reference price |
No Cancellation Period 16:06-16:08 | You can submit auction market orders and auction limit orders, which cannot be canceled or changed; the input price of auction limit orders must be between the lowest selling price and the highest buying price |
Random Closing Period 16:08-16:10 | During the random closing period, you can still submit auction market orders and auction limit orders, which cannot be canceled or changed; the input price of auction limit orders must be between the lowest selling price and the highest buying price |
Yes 
No