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Notable Monday Option Activity: CAT, HPQ, AET

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Caterpillar Inc. (Symbol: CAT), where a total volume of 24,354 contracts has been traded thus far today, a contract volume which is representative of approximately 2.4 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 31.6% of CAT's average daily trading volume over the past month, of 7.7 million shares. Particularly high volume was seen for the $65 strike put option expiring November 20, 2015 , with 5,382 contracts trading so far today, representing approximately 538,200 underlying shares of CAT. Below is a chart showing CAT's trailing twelve month trading history, with the $65 strike highlighted in orange:

Hewlett-Packard Co (Symbol: HPQ) saw options trading volume of 46,605 contracts, representing approximately 4.7 million underlying shares or approximately 28.7% of HPQ's average daily trading volume over the past month, of 16.2 million shares. Particularly high volume was seen for the $28 strike call option expiring September 18, 2015 , with 16,470 contracts trading so far today, representing approximately 1.6 million underlying shares of HPQ. Below is a chart showing HPQ's trailing twelve month trading history, with the $28 strike highlighted in orange:

And Aetna Inc. (Symbol: AET) options are showing a volume of 8,508 contracts thus far today. That number of contracts represents approximately 850,800 underlying shares, working out to a sizeable 27.7% of AET's average daily trading volume over the past month, of 3.1 million shares. Particularly high volume was seen for the $115 strike put option expiring September 18, 2015 , with 4,008 contracts trading so far today, representing approximately 400,800 underlying shares of AET. Below is a chart showing AET's trailing twelve month trading history, with the $115 strike highlighted in orange:

For the various different available expirations for CAT options , HPQ options , or AET 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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