Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Under Armour Inc (UAA - Get Report), where a total of 26,588 contracts have traded so far, representing approximately 2.7 million underlying shares. That amounts to about 53% of UAA's average daily trading volume over the past month of 5.0 million shares. Particularly high volume was seen for the $21 strike call option expiring May 19, 2017, with 2,211 contracts trading so far today, representing approximately 221,100 underlying shares of UAA. Below is a chart showing UAA's trailing twelve month trading history, with the $21 strike highlighted in orange:

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Lumber Liquidators Holdings Inc ( LL) saw options trading volume of 6,693 contracts, representing approximately 669,300 underlying shares or approximately 51.8% of LL's average daily trading volume over the past month, of 1.3 million shares. Particularly high volume was seen for the $26.50 strike call option expiring May 05, 2017, with 2,089 contracts trading so far today, representing approximately 208,900 underlying shares of LL. Below is a chart showing LL's trailing twelve month trading history, with the $26.50 strike highlighted in orange:

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And Tenet Healthcare Corp. ( THC) saw options trading volume of 15,709 contracts, representing approximately 1.6 million underlying shares or approximately 49.6% of THC's average daily trading volume over the past month, of 3.2 million shares. Especially high volume was seen for the $18 strike call option expiring May 19, 2017, with 12,624 contracts trading so far today, representing approximately 1.3 million underlying shares of THC. Below is a chart showing THC's trailing twelve month trading history, with the $18 strike highlighted in orange:

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