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premarket

American  
[pree-mahr-kuht] / ˌpriˈmɑr kət /

adjective

  1. happening before a product is released for sale to the public, usually as part of quality assurance.

  2. happening before a stock exchange opens for the day.

noun

  1. the period before a stock exchange opens for the day.

adverb

  1. before a stock exchange opens for the day.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Shares were up 2.8% to $157.50 in premarket trading.

From The Wall Street Journal • Apr. 22, 2026

Shares were up fractionally in Wednesday’s premarket action.

From MarketWatch • Apr. 22, 2026

Shares of Bellevue, Washington-based T-Mobile fell 1.5%, closing at $195.39 but was up 0.4% in the Wednesday premarket.

From Barron's • Apr. 21, 2026

Shares of the electric-vehicle maker rose in premarket trading, but were down 0.2% at $391.59 in the regular session.

From Barron's • Apr. 21, 2026

USA Rare Earth’s stock rose 1.5% in premarket trading, which puts it on track for a sixth straight gain.

From MarketWatch • Apr. 20, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.