Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Meta Financial Group Inc (CASH), where a total volume of 1,309 contracts has been traded thus far today, a contract volume which is representative of approximately 130,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 66.9% of CASH's average daily trading volume over the past month, of 195,710 shares. Particularly high volume was seen for the $55 strike call option expiring December 17, 2021, with 1,000 contracts trading so far today, representing approximately 100,000 underlying shares of CASH. Below is a chart showing CASH's trailing twelve month trading history, with the $55 strike highlighted in orange:

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Today's Most Active Call & Put Options of the S&P 500 »

Wayfair Inc (W) options are showing a volume of 7,131 contracts thus far today. That number of contracts represents approximately 713,100 underlying shares, working out to a sizeable 66.2% of W's average daily trading volume over the past month, of 1.1 million shares. Particularly high volume was seen for the $250 strike put option expiring October 01, 2021, with 628 contracts trading so far today, representing approximately 62,800 underlying shares of W. Below is a chart showing W's trailing twelve month trading history, with the $250 strike highlighted in orange:

And Guardant Health Inc (GH) saw options trading volume of 4,522 contracts, representing approximately 452,200 underlying shares or approximately 66% of GH's average daily trading volume over the past month, of 685,375 shares. Particularly high volume was seen for the $115 strike put option expiring October 15, 2021, with 866 contracts trading so far today, representing approximately 86,600 underlying shares of GH. Below is a chart showing GH's trailing twelve month trading history, with the $115 strike highlighted in orange: