Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Coherent Inc (COHR - Get Report), where a total volume of 1,700 contracts has been traded thus far today, a contract volume which is representative of approximately 170,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 65.5% of COHR's average daily trading volume over the past month, of 259,395 shares. Especially high volume was seen for the $260 strike call option expiring May 19, 2017, with 338 contracts trading so far today, representing approximately 33,800 underlying shares of COHR. Below is a chart showing COHR's trailing twelve month trading history, with the $260 strike highlighted in orange:

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Chimerix Inc. ( CMRX saw options trading volume of 1,710 contracts, representing approximately 171,000 underlying shares or approximately 59.9% of CMRX's average daily trading volume over the past month, of 285,540 shares. Especially high volume was seen for the $5 strike call option expiring November 17, 2017, with 1,700 contracts trading so far today, representing approximately 170,000 underlying shares of CMRX. Below is a chart showing CMRX's trailing twelve month trading history, with the $5 strike highlighted in orange:

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And Children's Place, Inc. ( PLCE saw options trading volume of 2,415 contracts, representing approximately 241,500 underlying shares or approximately 55.7% of PLCE's average daily trading volume over the past month, of 433,245 shares. Particularly high volume was seen for the $125 strike call option expiring May 19, 2017, with 1,402 contracts trading so far today, representing approximately 140,200 underlying shares of PLCE. Below is a chart showing PLCE's trailing twelve month trading history, with the $125 strike highlighted in orange:

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