Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Akamai Technologies Inc (AKAM), where a total volume of 7,883 contracts has been traded thus far today, a contract volume which is representative of approximately 788,300 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 79.6% of AKAM's average daily trading volume over the past month, of 990,445 shares. Especially high volume was seen for the $110 strike put option expiring November 19, 2021, with 2,105 contracts trading so far today, representing approximately 210,500 underlying shares of AKAM. Below is a chart showing AKAM's trailing twelve month trading history, with the $110 strike highlighted in orange:

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

Teladoc Health Inc (TDOC) saw options trading volume of 13,690 contracts, representing approximately 1.4 million underlying shares or approximately 79.4% of TDOC's average daily trading volume over the past month, of 1.7 million shares. Particularly high volume was seen for the $145 strike put option expiring September 03, 2021, with 860 contracts trading so far today, representing approximately 86,000 underlying shares of TDOC. Below is a chart showing TDOC's trailing twelve month trading history, with the $145 strike highlighted in orange:

And Yext Inc (YEXT) options are showing a volume of 5,619 contracts thus far today. That number of contracts represents approximately 561,900 underlying shares, working out to a sizeable 70% of YEXT's average daily trading volume over the past month, of 802,595 shares. Particularly high volume was seen for the $12.50 strike call option expiring September 17, 2021, with 1,150 contracts trading so far today, representing approximately 115,000 underlying shares of YEXT. Below is a chart showing YEXT's trailing twelve month trading history, with the $12.50 strike highlighted in orange: