Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Noodles & Co (NDLS - Get Report), where a total volume of 576 contracts has been traded thus far today, a contract volume which is representative of approximately 57,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 66.2% of NDLS's average daily trading volume over the past month, of 87,035 shares. Especially high volume was seen for the $7.50 strike call option expiring March 16, 2018, with 323 contracts trading so far today, representing approximately 32,300 underlying shares of NDLS. Below is a chart showing NDLS's trailing twelve month trading history, with the $7.50 strike highlighted in orange:

Loading+chart++2018+TickerTech.com

START SLIDESHOW:
Today's Most Active Call & Put Options of the S&P 500 »

Nuance Communications Inc ( NUAN) saw options trading volume of 15,044 contracts, representing approximately 1.5 million underlying shares or approximately 65.6% of NUAN's average daily trading volume over the past month, of 2.3 million shares. Especially high volume was seen for the $18 strike call option expiring April 20, 2018, with 3,869 contracts trading so far today, representing approximately 386,900 underlying shares of NUAN. Below is a chart showing NUAN's trailing twelve month trading history, with the $18 strike highlighted in orange:

Loading+chart++2018+TickerTech.com

And Cigna Corp ( CI) options are showing a volume of 17,462 contracts thus far today. That number of contracts represents approximately 1.7 million underlying shares, working out to a sizeable 56.6% of CI's average daily trading volume over the past month, of 3.1 million shares. Especially high volume was seen for the $190 strike call option expiring July 20, 2018, with 5,024 contracts trading so far today, representing approximately 502,400 underlying shares of CI. Below is a chart showing CI's trailing twelve month trading history, with the $190 strike highlighted in orange:

Loading+chart++2018+TickerTech.com

For the various different available expirations for NDLS options, NUAN options, or CI options, visit StockOptionsChannel.com.