What is pre-opening session?Pre-opening Session

Hong Kong's daily 9:00–9:30 call auction: orders are collected without trading, the opening price is set by random matching between 9:20 and 9:22, and continuous trading starts at 9:30.

Learn “pre-opening session” in an animated lesson

Hong Kong Stock Rules
Trading Sessions: Pre-opening, Continuous Trading and the Closing Auction
Hong Kong takes orders from 9:00, starts continuous trading at 9:30, breaks for an hour at lunch and runs a closing auction after 16:00, and each phase works differently.

Related terms

call auction
continuous trading
closing auction

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Go to “Trading Sessions: Pre-opening, Continuous Trading and the Closing Auction”