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Noteworthy Friday Option Activity: BLK, NOC, DAL

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Blackrock Inc (Symbol: BLK), where a total of 3,498 contracts have traded so far, representing approximately 349,800 underlying shares. That amounts to about 41.9% of BLK's average daily trading volume over the past month of 834,530 shares. Particularly high volume was seen for the $390 strike put option expiring December 21, 2018 , with 747 contracts trading so far today, representing approximately 74,700 underlying shares of BLK. Below is a chart showing BLK's trailing twelve month trading history, with the $390 strike highlighted in orange:

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Northrop Grumman Corp (Symbol: NOC) saw options trading volume of 7,290 contracts, representing approximately 729,000 underlying shares or approximately 41.7% of NOC's average daily trading volume over the past month, of 1.7 million shares. Particularly high volume was seen for the $237.50 strike call option expiring December 21, 2018 , with 1,196 contracts trading so far today, representing approximately 119,600 underlying shares of NOC. Below is a chart showing NOC's trailing twelve month trading history, with the $237.50 strike highlighted in orange:

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And Delta Air Lines Inc (Symbol: DAL) options are showing a volume of 30,754 contracts thus far today. That number of contracts represents approximately 3.1 million underlying shares, working out to a sizeable 40.8% of DAL's average daily trading volume over the past month, of 7.5 million shares. Particularly high volume was seen for the $48 strike put option expiring January 18, 2019 , with 8,841 contracts trading so far today, representing approximately 884,100 underlying shares of DAL. Below is a chart showing DAL's trailing twelve month trading history, with the $48 strike highlighted in orange:

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For the various different available expirations for BLK options , NOC options , or DAL 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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