Markets

Notable Thursday Option Activity: ISRG, C, CAR

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Intuitive Surgical Inc (Symbol: ISRG), where a total volume of 6,831 contracts has been traded thus far today, a contract volume which is representative of approximately 683,100 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 96.1% of ISRG's average daily trading volume over the past month, of 710,715 shares. Especially high volume was seen for the $650 strike call option expiring November 09, 2018 , with 360 contracts trading so far today, representing approximately 36,000 underlying shares of ISRG. Below is a chart showing ISRG's trailing twelve month trading history, with the $650 strike highlighted in orange:

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Citigroup Inc (Symbol: C) saw options trading volume of 135,816 contracts, representing approximately 13.6 million underlying shares or approximately 89.1% of C's average daily trading volume over the past month, of 15.2 million shares. Particularly high volume was seen for the $71.50 strike call option expiring October 26, 2018 , with 20,450 contracts trading so far today, representing approximately 2.0 million underlying shares of C. Below is a chart showing C's trailing twelve month trading history, with the $71.50 strike highlighted in orange:

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And Avis Budget Group Inc (Symbol: CAR) saw options trading volume of 12,366 contracts, representing approximately 1.2 million underlying shares or approximately 87.2% of CAR's average daily trading volume over the past month, of 1.4 million shares. Especially high volume was seen for the $26 strike put option expiring February 15, 2019 , with 5,300 contracts trading so far today, representing approximately 530,000 underlying shares of CAR. Below is a chart showing CAR's trailing twelve month trading history, with the $26 strike highlighted in orange:

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For the various different available expirations for ISRG options , C options , or CAR 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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