market opening

Bell rings, trading

Market opening is the moment when a stock exchange or financial market begins its trading day.

In the U.S., the New York Stock Exchange opens at 9:30 a.m.

Eastern time.

The period immediately after is often volatile as overnight news gets priced in: We saw heavy selling right at market opening.

Also called the open.

Opposites
trading session timing

market openingmarket close

Trading day's conclusion

closing bell · closing · after-hours · post-market · final hour

market accessibility

market openingtrading halt

Temporary cessation of transactions

circuit breaker

Family

market, opening, markets, marketed, marketing, marketer, marketable, marketplace, supermarket

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