Forbes -
22 Sep 2016 20:37

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Illumina Inc (NASD: ILMN), where a total volume of 3,657 contracts has been traded thus far today, a contract volume which is representative of approximately 365,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 47.7% of ILMN's average daily trading volume over the past month, of 766,210 shares. Especially high volume was se...
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