: the standard unit of trading in a security market usually amounting to 100 shares of stock
Example Sentences
Recent Examples on the WebStill, most institutional investors continue to prefer blocks of shares since the price often quoted on an exchange is for a round lot, according to Phil Mackintosh, Nasdaq’s chief economist. Michael Wursthorn, WSJ, 9 Mar. 2022 At higher prices, the size of a round lot drops to 40 shares, then 10. Jason Zweig, WSJ, 18 Dec. 2020 Above $10,000, a single share will constitute a round lot. Jason Zweig, WSJ, 18 Dec. 2020 Then, splits meant more investors could buy a round lot. Kathleen Pender, SFChronicle.com, 12 Aug. 2020
Word History
First Known Use
circa 1902, in the meaning defined above
Legal Definition
round lot
noun
: the standard unit of trading in a security market usually amounting to 100 shares of stock compare odd lot