This session runs from 9:30 AM to 4:00 Eastern Time, Monday through Friday. When people ask how many days a year the market is open, they are almost always referring to the core U.
Standard Annual Schedule Market Open and Trading Days
However, the calculation does not end there. This annual pattern of ten holidays is the primary reason the theoretical 260-day count never materializes in practice.
This number serves as the industry standard reference point for annual market activity. The day after Thanksgiving, known as Black Friday, features a shortened session that ends at 1:00 PM ET.
Standard Annual Schedule Market Open and Trading Days
However, this theoretical maximum is consistently reduced by the official market holidays observed by the exchanges. The list includes New Year's Day, Martin Luther King Jr.
More About How many days a year is the market open
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More perspective on How many days a year is the market open can make the topic easier to follow by connecting earlier points with a few simple takeaways.
