Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Marketo Inc (Symbol: MKTO), where a total of 2,925 contracts have traded so far, representing approximately 292,500 underlying shares. That amounts to about 73.2% of MKTO's average daily trading volume over the past month of 399,770 shares. Especially high volume was seen for the $22.50 strike call option expiring April 15, 2016 , with 1,915 contracts trading so far today, representing approximately 191,500 underlying shares of MKTO. Below is a chart showing MKTO's trailing twelve month trading history, with the $22.50 strike highlighted in orange:

NetApp, Inc. (Symbol: NTAP) saw options trading volume of 21,860 contracts, representing approximately 2.2 million underlying shares or approximately 70% of NTAP's average daily trading volume over the past month, of 3.1 million shares. Especially high volume was seen for the $21 strike put option expiring April 15, 2016 , with 21,500 contracts trading so far today, representing approximately 2.1 million underlying shares of NTAP. Below is a chart showing NTAP's trailing twelve month trading history, with the $21 strike highlighted in orange:

And Sinclair Broadcast Group, Inc. (Symbol: SBGI) saw options trading volume of 6,873 contracts, representing approximately 687,300 underlying shares or approximately 69.2% of SBGI's average daily trading volume over the past month, of 992,705 shares. Particularly high volume was seen for the $29 strike put option expiring April 15, 2016 , with 6,701 contracts trading so far today, representing approximately 670,100 underlying shares of SBGI. Below is a chart showing SBGI's trailing twelve month trading history, with the $29 strike highlighted in orange:

For the various different available expirations for MKTO options , NTAP options , or SBGI options , visit StockOptionsChannel.com.
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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.