premarket
adjective
pre·mar·ket
(ˌ)prē-ˈmär-kət 
variants
or pre-market
1
: occurring in the period prior to a product being available for purchase
premarket safety testing
a premarket clinical study of a drug
Dietary supplements are essentially exempt from premarket approval and testing because, unlike many drugs, they do not claim to be effective, pure, and safe.—
Noel C. Paul
Noel C. Paul… fixed a premarket problem that led to lost pressure in the control.—Bicycling
Bicycling2
: occurring prior to the opening of a stock market
premarket trading
Examples of premarket in a Sentence
Recent Examples on the Web
Shares skyrocketed 30% in premarket trading Wednesday on the results, putting them on pace for their best day since dot-com boom of 1999.
—Pia Singh, CNBC, 10 Sep. 2025
The news briefly sent SiriusXM (SIRI) shares down nearly 2% in premarket trading, before rebounding.
—Jordan Valinsky, CNN Money, 8 Sep. 2025
Tesla’s stock rose nearly 2% in premarket trading.
—Michelle Chapman, Chicago Tribune, 5 Sep. 2025
The company's shares were largely unchanged in premarket trading.
—Juveria Tabassum, USA Today, 3 Sep. 2025
Topline Shares of Google’s parent company, Alphabet, rose sharply in premarket trading early on Wednesday, after a federal judge ruled that the company does not need to be broken up or be forced to sell its popular Chrome web browser to remedy its search market monopoly.
—Siladitya Ray, Forbes.com, 3 Sep. 2025
Tesla shares rose nearly 2% in premarket US trading on Wednesday after Musk’s post.
—Bloomberg, Mercury News, 11 June 2025
Tesla shares were slightly lower in premarket U.S. trading.
—Reuters, CNN, 21 Feb. 2025
McDonald’s shares were down 0.5% in premarket US trading.
—Shirley Zhao, Fortune, 15 Mar. 2024
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Pia Singh, CNBC, 10 Sep. 2025
The news briefly sent SiriusXM (SIRI) shares down nearly 2% in premarket trading, before rebounding.
—Jordan Valinsky, CNN Money, 8 Sep. 2025
Tesla’s stock rose nearly 2% in premarket trading.
—Michelle Chapman, Chicago Tribune, 5 Sep. 2025
The company's shares were largely unchanged in premarket trading.
—Juveria Tabassum, USA Today, 3 Sep. 2025
Topline Shares of Google’s parent company, Alphabet, rose sharply in premarket trading early on Wednesday, after a federal judge ruled that the company does not need to be broken up or be forced to sell its popular Chrome web browser to remedy its search market monopoly.
—Siladitya Ray, Forbes.com, 3 Sep. 2025
Tesla shares rose nearly 2% in premarket US trading on Wednesday after Musk’s post.
—Bloomberg, Mercury News, 11 June 2025
Tesla shares were slightly lower in premarket U.S. trading.
—Reuters, CNN, 21 Feb. 2025
McDonald’s shares were down 0.5% in premarket US trading.
—Shirley Zhao, Fortune, 15 Mar. 2024
Cite this Entry
“Premarket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/premarket. Accessed 17 Sep. 2025.
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