Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in NL Industries, Inc. (NL - Get Report), where a total volume of 532 contracts has been traded thus far today, a contract volume which is representative of approximately 53,200 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 74.9% of NL's average daily trading volume over the past month, of 71,005 shares. Particularly high volume was seen for the $12.50 strike call option expiring February 16, 2018, with 279 contracts trading so far today, representing approximately 27,900 underlying shares of NL. Below is a chart showing NL's trailing twelve month trading history, with the $12.50 strike highlighted in orange:

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Diebold Nixdorf Inc ( DBD) options are showing a volume of 4,883 contracts thus far today. That number of contracts represents approximately 488,300 underlying shares, working out to a sizeable 68.5% of DBD's average daily trading volume over the past month, of 713,280 shares. Especially high volume was seen for the $17.50 strike put option expiring November 17, 2017, with 4,822 contracts trading so far today, representing approximately 482,200 underlying shares of DBD. Below is a chart showing DBD's trailing twelve month trading history, with the $17.50 strike highlighted in orange:

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And Voxx International Corp ( VOXX) saw options trading volume of 1,391 contracts, representing approximately 139,100 underlying shares or approximately 62.5% of VOXX's average daily trading volume over the past month, of 222,450 shares. Especially high volume was seen for the $7.50 strike call option expiring November 17, 2017, with 1,030 contracts trading so far today, representing approximately 103,000 underlying shares of VOXX. Below is a chart showing VOXX's trailing twelve month trading history, with the $7.50 strike highlighted in orange:

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For the various different available expirations for NL options, DBD options, or VOXX options, visit StockOptionsChannel.com.