An option is at the money if the strike price of the option is equal to the market price of the underlying security . For example, if xyz stock is trading at 54, then the xyz 54 option is at the money.
AT-THE-MONEY
Meaning of AT-THE-MONEY in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012