Notable Thursday Option Activity: PLNT, Z, SONO

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Planet Fitness Inc (PLNT), where a total of 5,413 contracts have traded so far, representing approximately 541,300 underlying shares. That amounts to about 40.5% of PLNT's average daily trading volume over the past month of 1.3 million shares..