Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Microvision Inc. (MVIS - Get Report), where a total of 2,704 contracts have traded so far, representing approximately 270,400 underlying shares. That amounts to about 53% of MVIS's average daily trading volume over the past month of 509,900 shares. Especially high volume was seen for the $2 strike call option expiring August 17, 2018, with 818 contracts trading so far today, representing approximately 81,800 underlying shares of MVIS. Below is a chart showing MVIS's trailing twelve month trading history, with the $2 strike highlighted in orange:

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SeaWorld Entertainment Inc. ( SEAS) options are showing a volume of 9,805 contracts thus far today. That number of contracts represents approximately 980,500 underlying shares, working out to a sizeable 52.5% of SEAS's average daily trading volume over the past month, of 1.9 million shares. Especially high volume was seen for the $14 strike call option expiring March 16, 2018, with 5,006 contracts trading so far today, representing approximately 500,600 underlying shares of SEAS. Below is a chart showing SEAS's trailing twelve month trading history, with the $14 strike highlighted in orange:

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And Arena Pharmaceuticals Inc ( ARNA) saw options trading volume of 2,762 contracts, representing approximately 276,200 underlying shares or approximately 51.8% of ARNA's average daily trading volume over the past month, of 532,695 shares. Particularly high volume was seen for the $36 strike put option expiring April 20, 2018, with 583 contracts trading so far today, representing approximately 58,300 underlying shares of ARNA. Below is a chart showing ARNA's trailing twelve month trading history, with the $36 strike highlighted in orange:

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For the various different available expirations for MVIS options, SEAS options, or ARNA options, visit StockOptionsChannel.com.