Notable Friday Option Activity: BIIB, EIGI, ALLY

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Biogen Inc (Symbol: BIIB), where a total volume of 13,984 contracts has been traded thus far today, a contract volume which is representative of approximately 1.4 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 59.4% of BIIB's average daily trading volume over the past month, of 2.4 million shares. Particularly high volume was seen for the $245 strike put option expiring February 12, 2016 , with 2,240 contracts trading so far today, representing approximately 224,000 underlying shares of BIIB. Below is a chart showing BIIB's trailing twelve month trading history, with the $245 strike highlighted in orange:

Endurance International Group Holdings, Inc. (Symbol: EIGI) saw options trading volume of 3,386 contracts, representing approximately 338,600 underlying shares or approximately 58.2% of EIGI's average daily trading volume over the past month, of 582,145 shares. Particularly high volume was seen for the $10 strike call option expiring February 19, 2016 , with 3,322 contracts trading so far today, representing approximately 332,200 underlying shares of EIGI. Below is a chart showing EIGI's trailing twelve month trading history, with the $10 strike highlighted in orange:

And Ally Financial Inc (Symbol: ALLY) saw options trading volume of 35,507 contracts, representing approximately 3.6 million underlying shares or approximately 58.1% of ALLY's average daily trading volume over the past month, of 6.1 million shares. Particularly high volume was seen for the $17 strike call option expiring March 18, 2016 , with 15,054 contracts trading so far today, representing approximately 1.5 million underlying shares of ALLY. Below is a chart showing ALLY's trailing twelve month trading history, with the $17 strike highlighted in orange:

For the various different available expirations for BIIB options , EIGI options , or ALLY 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.