Notable Thursday Option Activity: PRLB, IDTI, SWK
April 19, 2018 at 16:46 PM EDT
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Proto Labs Inc (PRLB), where a total of 635 contracts have traded so far, representing approximately 63,500 underlying shares. That amounts to about 42% of PRLB's average daily trading volume over the past month of 151,025 shares..