TESARO (TSRO) short duration September calls active

September 13, 2016 10:56 AM EDT

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TESARO (NASDAQ: TSRO) September 97.50 and 100 calls are active on total call volume of 890 contracts (290 puts). September call option implied volatility is 78, October is at 67; compared to its 52-week range of 45 to 192.

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