Reading a premarket gap
A premarket gap is the distance between the premarket and the prior close. Read it with volume and time. Not advice.
The gap
The U.S. premarket starts at 4:00 a.m. New York time. A gap is the distance between a price in that period and the prior regular-session close.
The percent alone does not say whether the price holds. You look at volume, the time, and whether a release explains the move. A gap born at 4:00 a.m. does not weigh the same as a gap still there at 9:20 a.m.
What the figure is not
Public quotes can be delayed. The displayed price is not your broker's book. On thin volume, small orders move the price.
Reading the gap does not say it will close, or that it will continue. The session can open, halt the stock, or come back without a clear line in a filing.
This is not financial advice.
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