HK Stocks

Trading Sessions & Order Price Caps

Session	HK local time	Limit Order Price Cap	Market Order Price Cap
Market Open (Morning Session)	09:30 AM →12:00 PM HKT	the same as crypto perpetual trading pairs	the same as crypto perpetual trading pairs
Lunch Break (off hours)	12:00 PM → 1:00 PM HKT	> 5% more aggressive than MarkPrice will be rejected	> 5% more aggressive than MarkPrice will be rejected
Market Open (Afternoon Session)	1:00 PM~4:00 PM HKT	the same as crypto perpetual trading pairs	the same as crypto perpetual trading pairs
Market Close（off hrs）	4:00 PM~9:30 AM HKT (next day)	> 5% more aggressive than MarkPrice will be rejected	Can fill up to 5% more aggressive than MarkPrice, the rest will be canceled

EWMA-Smoothed Mode is active during:

Session	HK local time
Market Close (off hrs)	04:00 PM→09:30 AM HKT
Lunch Break	12:00 PM→13:00 PM HKT
Weekend	04:00 PM→09:30 AM HKT (Next monday)
Public holiday	00:00→23:59 HKT
Half-day Trading	12:00 HKT after market close