HK Stock Trading Hours

The Hong Kong securities market generally operates from Monday to Friday, except on public holidays and in the event of market closures due to severe weather. Trading hours are as follows:

1. Pre-Opening Session

• Order Input Period 09:00–09:15

At-auction and at-auction limit orders may be entered, amended, or cancelled.

• No Cancellation Period 09:15–09:20

Only at-auction and at-auction limit orders may be entered; no amendment or cancellation is allowed.

• Random Matching Period 09:20–09:22

Matching commences randomly at the final reference equilibrium price during this window.

• Post-Matching Suspension (until 09:30)

1) Unfilled at-auction orders will be cancelled.

2) Unfilled at-auction limit orders will convert to limit orders for the Continuous Trading Session, provided their price does not deviate from the nominal price by nine times or more.

2. Continuous Trading Session

• Morning Session: 09:30–12:00
• Midday Break: 12:00–13:00
• Afternoon Session: 13:00–16:00

Note:

Amendments are not allowed during the midday break. Cancellations are permitted from 12:30–13:00.

3. Closing Auction Session (CAS)

• 16:00–16:01

Reference price calculated and released; no order entry.

• Order Input Period 16:01–16:06

At-auction and at-auction limit orders may be entered, amended, or cancelled. At-auction limit orders are subject to a ±5% price limit relative to the reference price.

• No Cancellation Period 16:06–16:08

Orders may be entered but not amended or cancelled. At-auction limit orders must be priced between the best ask and best bid.

• Random Closing Period 16:08–16:10

Orders may be entered but not amended or cancelled. At-auction limit orders must be priced between the best ask and best bid.