Notable Monday Option Activity: ZNTL, JEF, SWKS

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Zentalis Pharmaceuticals Inc (ZNTL), where a total of 5,797 contracts have traded so far, representing approximately 579,700 underlying shares. That amounts to about 83.3% of ZNTL's average daily trading volume over the past month of 695,910 shares..