efficient market

noun
ef·​fi·​cient market

Legal Definition of efficient market

: a securities and commodities market whose prices always reflect the most accurate and up-to-date information — compare fraud on the market theory

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“Efficient market.” Merriam-Webster.com Legal Dictionary, Merriam-Webster, https://www.merriam-webster.com/legal/efficient%20market. Accessed 28 Nov. 2020.

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