You need to balance binary options trading volume with price movement. (daytrading.com)
Note the explosive growth of options trading volume since the millennium with the expansion of electronic trading. (us.etrade.com)
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. (7binaryoptions.com)