Investment Glossary

Welcome to Firstrade’s stock trading terms glossary. Do all the research you want. Use this glossary to look up the definition of any financial term.
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A relative measure of a security's price movement during a specific time period, calculated mathematically using standard deviation of daily price changes.


The total number of shares of a stock traded during a specific time period. High volumes usually correspond to news announcements regarding the company.

Voting Trust

The deposit of shares, along with transfer of voting rights to a trustee for a specific period of time.