US Stocks

Trading Sessions & Order Price Caps

Session	New York City local time	Limit Order Price Cap	Market Order Price Cap
Pre-market （off hrs）	4:00 AM~9:30 AM EST	> 5% more aggressive than MarkPrice will be rejected	Can fill up to 5% more aggressive than MarkPrice, the rest will be canceled
Market open	9:30 AM~4:00 PM EST	the same as crypto perpetual trading pairs	the same as crypto perpetual trading pairs
Post-Market（off hrs）	4:00 PM~8:00 PM EST	> 5% more aggressive than MarkPrice will be rejected	Can fill up to 5% more aggressive than MarkPrice, the rest will be canceled
Overnight	8:00 PM-04:00 AM EST	> 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	New York City local time
Overnight	08:00 PM →04:00 AM EST(next day)
Weekend	08:00 PM EST Friday→04:00 AM EST Monday
Public holiday	00:00→23:59 EST
Half-day Trading	13:00 EST after market close