Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Marriott International, Inc. (MAR - Get Report), where a total volume of 9,808 contracts has been traded thus far today, a contract volume which is representative of approximately 980,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 49.1% of MAR's average daily trading volume over the past month, of 2.0 million shares. Particularly high volume was seen for the $175 strike call option expiring January 18, 2019, with 2,986 contracts trading so far today, representing approximately 298,600 underlying shares of MAR. Below is a chart showing MAR's trailing twelve month trading history, with the $175 strike highlighted in orange:

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Clearwater Paper Corp ( CLW) saw options trading volume of 513 contracts, representing approximately 51,300 underlying shares or approximately 48.8% of CLW's average daily trading volume over the past month, of 105,040 shares. Especially high volume was seen for the $45 strike call option expiring July 20, 2018, with 250 contracts trading so far today, representing approximately 25,000 underlying shares of CLW. Below is a chart showing CLW's trailing twelve month trading history, with the $45 strike highlighted in orange:

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And Akebia Therapeutics Inc ( AKBA) options are showing a volume of 3,108 contracts thus far today. That number of contracts represents approximately 310,800 underlying shares, working out to a sizeable 47% of AKBA's average daily trading volume over the past month, of 661,130 shares. Especially high volume was seen for the $12.50 strike call option expiring October 19, 2018, with 3,035 contracts trading so far today, representing approximately 303,500 underlying shares of AKBA. Below is a chart showing AKBA's trailing twelve month trading history, with the $12.50 strike highlighted in orange:

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For the various different available expirations for MAR options, CLW options, or AKBA options, visit StockOptionsChannel.com.