Noteworthy Tuesday Option Activity: QDEL, RDI, PTLA
April 17, 2018 at 15:19 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Quidel Corp. (QDEL), where a total volume of 5,895 contracts has been traded thus far today, a contract volume which is representative of approximately 589,500 underlying shares (given that every 1 contract represents 100 underlying shares)..