Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Vanda Pharmaceuticals Inc (VNDA - Get Report), where a total volume of 13,322 contracts has been traded thus far today, a contract volume which is representative of approximately 1.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 127.7% of VNDA's average daily trading volume over the past month, of 1.0 million shares. Especially high volume was seen for the $18 strike call option expiring January 20, 2017, with 5,019 contracts trading so far today, representing approximately 501,900 underlying shares of VNDA. Below is a chart showing VNDA's trailing twelve month trading history, with the $18 strike highlighted in orange:

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Air Methods Corp. ( AIRM) options are showing a volume of 3,404 contracts thus far today. That number of contracts represents approximately 340,400 underlying shares, working out to a sizeable 65.4% of AIRM's average daily trading volume over the past month, of 520,350 shares. Particularly high volume was seen for the $30 strike put option expiring October 21, 2016, with 2,000 contracts trading so far today, representing approximately 200,000 underlying shares of AIRM. Below is a chart showing AIRM's trailing twelve month trading history, with the $30 strike highlighted in orange:

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And Lumber Liquidators Holdings Inc ( LL) options are showing a volume of 3,823 contracts thus far today. That number of contracts represents approximately 382,300 underlying shares, working out to a sizeable 48% of LL's average daily trading volume over the past month, of 796,335 shares. Particularly high volume was seen for the $20 strike call option expiring October 07, 2016, with 1,300 contracts trading so far today, representing approximately 130,000 underlying shares of LL. Below is a chart showing LL's trailing twelve month trading history, with the $20 strike highlighted in orange:

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For the various different available expirations for VNDA options, AIRM options, or LL options, visit StockOptionsChannel.com.