What is trading more than usual on August 4?
1000 GPRO Apr21 8 calls went up in 1 block on the NASDAQ. These calls are part of 2200 contracts traded on the strike.
Most Active Stock Options For Midday January 3, 2017
Most Active Stock Options For End Of Day December 19, 2016
5071 GPRO Jan 6 puts went up 1 block on the CBOE