Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Ionis Pharmaceuticals Inc (NASD: IONS), where a total volume of 12,471 contracts has been traded thus far today, a contract volume which is representative of approximately 1.2 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 63.2% of IONS's average daily trading volume over the past month, of 2.0 million shares. Particularly high volume was seen for the $32 strike call option expiring October 21, 2016, with 11,255 contracts trading so far today, representing approximately 1.1 million underlying shares of IONS. Below is a chart showing IONS's trailing twelve month trading history, with the $32 strike highlighted in orange:
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