Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Merck & Co Inc (Symbol: MRK), where a total volume of 65,563 contracts has been traded thus far today, a contract volume which is representative of approximately 6.6 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 56.3% of MRK's average daily trading volume over the past month, of 11.6 million shares. Particularly high volume was seen for the $57 strike call option expiring April 13, 2018 , with 4,541 contracts trading so far today, representing approximately 454,100 underlying shares of MRK. Below is a chart showing MRK's trailing twelve month trading history, with the $57 strike highlighted in orange:
3D Systems Corp. (Symbol: DDD) options are showing a volume of 12,521 contracts thus far today. That number of contracts represents approximately 1.3 million underlying shares, working out to a sizeable 50.7% of DDD's average daily trading volume over the past month, of 2.5 million shares. Particularly high volume was seen for the $12 strike call option expiring April 13, 2018 , with 2,690 contracts trading so far today, representing approximately 269,000 underlying shares of DDD. Below is a chart showing DDD's trailing twelve month trading history, with the $12 strike highlighted in orange:
And Intuitive Surgical Inc (Symbol: ISRG) saw options trading volume of 3,784 contracts, representing approximately 378,400 underlying shares or approximately 48.2% of ISRG's average daily trading volume over the past month, of 784,440 shares. Particularly high volume was seen for the $435 strike call option expiring April 20, 2018 , with 497 contracts trading so far today, representing approximately 49,700 underlying shares of ISRG. Below is a chart showing ISRG's trailing twelve month trading history, with the $435 strike highlighted in orange:
For the various different available expirations for MRK options , DDD options , or ISRG options , visit StockOptionsChannel.com.
Today's Most Active Call & Put Options of the S&P 500 »
The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.
The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.
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