Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Amazon.com Inc (AMZN), where a total volume of 241,599 contracts has been traded thus far today, a contract volume which is representative of approximately 24.2 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 698.4% of AMZN's average daily trading volume over the past month, of 3.5 million shares. Especially high volume was seen for the $3300 strike call option expiring August 27, 2021, with 25,061 contracts trading so far today, representing approximately 2.5 million underlying shares of AMZN. Below is a chart showing AMZN's trailing twelve month trading history, with the $3300 strike highlighted in orange:

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

Chipotle Mexican Grill Inc (CMG) options are showing a volume of 6,348 contracts thus far today. That number of contracts represents approximately 634,800 underlying shares, working out to a sizeable 349.1% of CMG's average daily trading volume over the past month, of 181,865 shares. Especially high volume was seen for the $1950 strike call option expiring August 27, 2021, with 225 contracts trading so far today, representing approximately 22,500 underlying shares of CMG. Below is a chart showing CMG's trailing twelve month trading history, with the $1950 strike highlighted in orange:

And Alphabet Inc (GOOGL) options are showing a volume of 45,840 contracts thus far today. That number of contracts represents approximately 4.6 million underlying shares, working out to a sizeable 341.3% of GOOGL's average daily trading volume over the past month, of 1.3 million shares. Especially high volume was seen for the $2850 strike call option expiring August 27, 2021, with 4,258 contracts trading so far today, representing approximately 425,800 underlying shares of GOOGL. Below is a chart showing GOOGL's trailing twelve month trading history, with the $2850 strike highlighted in orange: