Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in TransDigm Group Inc (Symbol: TDG), where a total volume of 8,638 contracts has been traded thus far today, a contract volume which is representative of approximately 863,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 187% of TDG's average daily trading volume over the past month, of 461,990 shares. Especially high volume was seen for the $240 strike put option expiring January 20, 2017 , with 1,557 contracts trading so far today, representing approximately 155,700 underlying shares of TDG. Below is a chart showing TDG's trailing twelve month trading history, with the $240 strike highlighted in orange:

Hain Celestial Group Inc (Symbol: HAIN) saw options trading volume of 15,940 contracts, representing approximately 1.6 million underlying shares or approximately 167.9% of HAIN's average daily trading volume over the past month, of 949,440 shares. Particularly high volume was seen for the $43 strike call option expiring February 17, 2017 , with 6,070 contracts trading so far today, representing approximately 607,000 underlying shares of HAIN. Below is a chart showing HAIN's trailing twelve month trading history, with the $43 strike highlighted in orange:

And DaVita Inc (Symbol: DVA) saw options trading volume of 17,972 contracts, representing approximately 1.8 million underlying shares or approximately 167% of DVA's average daily trading volume over the past month, of 1.1 million shares. Particularly high volume was seen for the $62.50 strike put option expiring January 20, 2017 , with 8,443 contracts trading so far today, representing approximately 844,300 underlying shares of DVA. Below is a chart showing DVA's trailing twelve month trading history, with the $62.50 strike highlighted in orange:

For the various different available expirations for TDG options , HAIN options , or DVA 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.