Securities that give the holder the right (but not the obligation) to buy or sell a specified number of shares of stock , at a specified price for a certain (limited) time period. Typically one option equals 100 shares of stock .
EQUITY OPTIONS
Meaning of EQUITY OPTIONS in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012