Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...

Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, equities, fixed income, project management, and analytics. Betsy began her ...

・Stock volume measures how many shares change hands over a given time frame. ・High volume typically signals strong liquidity and tighter bid-ask spreads. ・Low volume can lead to wider spreads, sharper ...

Volume is the number of shares of a stock that have changed hands over a certain period of time, typically one day. Stocks with higher volumes have more investors interested in buying or selling them.

Last month, a mid-cap biotech stock you’d been watching jumped 8% in a single session. The volume bar on your chart looked like a skyscraper compared to the usual trading activity. Was that a buying ...