The part of the trading day an instant falls in. regular is the session
itself; pre and post are the hours the calendar trades before the first
opening and after the last close of a trading date; extended is extended
hours of their own, such as an overnight session; holiday is a date the
calendar's exceptions close although its weekly sessions would open; and
closed is every other hour.
The part of the trading day an instant falls in.
regularis the session itself;preandpostare the hours the calendar trades before the first opening and after the last close of a trading date;extendedis extended hours of their own, such as an overnight session;holidayis a date the calendar's exceptions close although its weekly sessions would open; andclosedis every other hour.