Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in A-Mark Precious Metals, Inc (AMRK), where a total volume of 528 contracts has been traded thus far today, a contract volume which is representative of approximately 52,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 62.7% of AMRK's average daily trading volume over the past month, of 84,230 shares. Particularly high volume was seen for the $65 strike call option expiring February 18, 2022, with 144 contracts trading so far today, representing approximately 14,400 underlying shares of AMRK. Below is a chart showing AMRK's trailing twelve month trading history, with the $65 strike highlighted in orange:

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

eHealth Inc (EHTH) saw options trading volume of 2,803 contracts, representing approximately 280,300 underlying shares or approximately 60.4% of EHTH's average daily trading volume over the past month, of 463,935 shares. Especially high volume was seen for the $15 strike put option expiring February 18, 2022, with 785 contracts trading so far today, representing approximately 78,500 underlying shares of EHTH. Below is a chart showing EHTH's trailing twelve month trading history, with the $15 strike highlighted in orange:

And Marathon Digital Holdings Inc (MARA) saw options trading volume of 83,694 contracts, representing approximately 8.4 million underlying shares or approximately 60.4% of MARA's average daily trading volume over the past month, of 13.9 million shares. Particularly high volume was seen for the $26 strike call option expiring February 11, 2022, with 4,452 contracts trading so far today, representing approximately 445,200 underlying shares of MARA. Below is a chart showing MARA's trailing twelve month trading history, with the $26 strike highlighted in orange: