Glossary · Stock basics

Volume

How many shares changed hands during a day.

Why it matters

High volume means many people are acting on news. A price move on heavy volume carries more weight than one on light volume.

Compare today’s volume with the 10-day average. Twice the average or more is unusual.

In the Cluenex app, this explanation opens next to every volume figure, with the live reading for the stock you are looking at. Open it in Cluenex