Notable Monday Option Activity: STML, STMP, CEVA

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Stemline Therapeutics Inc (STML), where a total volume of 21,248 contracts has been traded thus far today, a contract volume which is representative of approximately 2.1 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 265.7% of STML's average daily trading volume over the past month, of 799,785 shares..
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