Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Zumiez Inc (ZUMZ - Get Report), where a total volume of 2,507 contracts has been traded thus far today, a contract volume which is representative of approximately 250,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 52.9% of ZUMZ's average daily trading volume over the past month, of 473,800 shares. Especially high volume was seen for the $25 strike put option expiring January 20, 2017, with 2,467 contracts trading so far today, representing approximately 246,700 underlying shares of ZUMZ. Below is a chart showing ZUMZ's trailing twelve month trading history, with the $25 strike highlighted in orange:

Loading+chart++2016+TickerTech.com

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

Lands' End Inc ( LE) saw options trading volume of 690 contracts, representing approximately 69,000 underlying shares or approximately 50.7% of LE's average daily trading volume over the past month, of 136,195 shares. Particularly high volume was seen for the $20 strike call option expiring January 20, 2017, with 231 contracts trading so far today, representing approximately 23,100 underlying shares of LE. Below is a chart showing LE's trailing twelve month trading history, with the $20 strike highlighted in orange:

Loading+chart++2016+TickerTech.com

And Acadia Pharmaceuticals Inc ( ACAD) options are showing a volume of 8,355 contracts thus far today. That number of contracts represents approximately 835,500 underlying shares, working out to a sizeable 48.4% of ACAD's average daily trading volume over the past month, of 1.7 million shares. Especially high volume was seen for the $20 strike put option expiring December 16, 2016, with 1,038 contracts trading so far today, representing approximately 103,800 underlying shares of ACAD. Below is a chart showing ACAD's trailing twelve month trading history, with the $20 strike highlighted in orange:

Loading+chart++2016+TickerTech.com

For the various different available expirations for ZUMZ options, LE options, or ACAD options, visit StockOptionsChannel.com.