Notable Thursday Option Activity: IONS, ILG, JBL

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Ionis Pharmaceuticals Inc (IONS), where a total volume of 5,040 contracts has been traded thus far today, a contract volume which is representative of approximately 504,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 63.8% of IONS's average daily trading volume over the past month, of 790,165 shares..