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The Pre-opening Session is an additional trading session of 30 minutes which takes place before the Morning Trading Session. It allows orders to be entered into the trading system, OTP-C, for a single price auction, and transactions concluded before the commencement of the Morning Trading Session to be reported by Exchange Participants.
The Pre-opening Session consists of an order input period, a pre-order matching period, an order matching period and a blocking period as follows:
| From 7 March 2011 onwards | |
|---|---|
| Order Input Period | From 9:00 am to 9:15 am |
| Pre-order Matching Period | From 9:15 am to 9:20 am |
| Order Matching Period | From 9:20 am to 9:28 am |
| Blocking Period | From 9:28 am to 9:30 am |
During the order input period, only at-auction orders and at-auction limit orders are accepted. Orders are accumulated and updated in OTP-C continuously and may be modified or cancelled. Input of pre-open trades is allowed during this period.
During the pre-order matching period, only at-auction orders are accepted and modification or cancellation of orders in OTP-C will not take place. It can avoid significant changes in the Indicative Equilibrium Price (IEP) and adjust the IEP to a fair market price. Input of pre-open trades is allowed during this period.
During the order matching period, no input, modification and cancellation of orders are allowed. Orders will be matched in order type (at-auction order first), price and time priority at the final IEP. No input of pre-open trades is accepted during this period.
During the blocking period, no order and trade activities are allowed. It is a break between the Pre-opening Session and the Morning Trading Session.
The information of the trades concluded by OTP-C during the order matching period will be disseminated to Exchange Participants and information vendors.
*The above information is abstracted from the website of HKEX. Learn More >
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Webull Securities Limited is licensed with the Securities and Futures Commission of Hong Kong (CE No. BNG700) for carrying out Type 1 License for Dealing in Securities, Type 2 License for Dealing in Futures Contracts and Type 4 License for Advising on Securities.
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