Notable Thursday Option Activity: CIEN, PACB, PRU

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Ciena Corp (CIEN), where a total of 13,428 contracts have traded so far, representing approximately 1.3 million underlying shares. That amounts to about 47.3% of CIEN's average daily trading volume over the past month of 2.8 million shares..