Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Stamps.com Inc. (STMP - Get Report), where a total volume of 9,799 contracts has been traded thus far today, a contract volume which is representative of approximately 979,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 257% of STMP's average daily trading volume over the past month, of 381,320 shares. Especially high volume was seen for the $90 strike put option expiring February 19, 2016, with 1,874 contracts trading so far today, representing approximately 187,400 underlying shares of STMP. Below is a chart showing STMP's trailing twelve month trading history, with the $90 strike highlighted in orange:

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Maiden Holdings Ltd ( MHLD) options are showing a volume of 6,030 contracts thus far today. That number of contracts represents approximately 603,000 underlying shares, working out to a sizeable 132% of MHLD's average daily trading volume over the past month, of 456,705 shares. Particularly high volume was seen for the $15 strike call option expiring May 20, 2016, with 4,410 contracts trading so far today, representing approximately 441,000 underlying shares of MHLD. Below is a chart showing MHLD's trailing twelve month trading history, with the $15 strike highlighted in orange:

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And Straight Path Communications Inc ( STRP) options are showing a volume of 1,596 contracts thus far today. That number of contracts represents approximately 159,600 underlying shares, working out to a sizeable 81.6% of STRP's average daily trading volume over the past month, of 195,585 shares. Especially high volume was seen for the $21 strike call option expiring February 19, 2016, with 203 contracts trading so far today, representing approximately 20,300 underlying shares of STRP. Below is a chart showing STRP's trailing twelve month trading history, with the $21 strike highlighted in orange:

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For the various different available expirations for STMP options, MHLD options, or STRP options, visit StockOptionsChannel.com.