Notable Thursday Option Activity: PDFS, VRTX, WDC
December 13, 2018 at 15:19 PM EST
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in PDF Solutions Inc. (PDFS), where a total volume of 1,051 contracts has been traded thus far today, a contract volume which is representative of approximately 105,100 underlying shares (given that every 1 contract represents 100 underlying shares)..