Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Norfolk Southern Corp. (NSC - Get Report), where a total volume of 104,589 contracts has been traded thus far today, a contract volume which is representative of approximately 10.5 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 579.3% of NSC's average daily trading volume over the past month, of 1.8 million shares. Particularly high volume was seen for the $150 strike call option expiring January 18, 2019, with 50,124 contracts trading so far today, representing approximately 5.0 million underlying shares of NSC. Below is a chart showing NSC's trailing twelve month trading history, with the $150 strike highlighted in orange:

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El Pollo Loco Holdings Inc ( LOCO) options are showing a volume of 3,771 contracts thus far today. That number of contracts represents approximately 377,100 underlying shares, working out to a sizeable 141.4% of LOCO's average daily trading volume over the past month, of 266,645 shares. Particularly high volume was seen for the $14 strike call option expiring June 16, 2017, with 2,584 contracts trading so far today, representing approximately 258,400 underlying shares of LOCO. Below is a chart showing LOCO's trailing twelve month trading history, with the $14 strike highlighted in orange:

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And GrubHub Inc ( GRUB) saw options trading volume of 22,308 contracts, representing approximately 2.2 million underlying shares or approximately 118.9% of GRUB's average daily trading volume over the past month, of 1.9 million shares. Particularly high volume was seen for the $37.50 strike call option expiring May 19, 2017, with 8,288 contracts trading so far today, representing approximately 828,800 underlying shares of GRUB. Below is a chart showing GRUB's trailing twelve month trading history, with the $37.50 strike highlighted in orange:

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For the various different available expirations for NSC options, LOCO options, or GRUB options, visit StockOptionsChannel.com.