The FFAJ total monthly binary
options trading volume came in at $ 369.8 million in January 2017, which is an increase of 2 % from $ 362.2 million in December 2016.
Since
most option trading volume usually occurs in at - the - money (ATM) options, these are the contracts generally used to calculate IV.
options trading volumes is growing rapidly as more and more traders are discovering the flexibility hidden in trading options.