Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in American Airlines Group Inc (AAL), where a total volume of 161,944 contracts has been traded thus far today, a contract volume which is representative of approximately 16.2 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 96% of AAL's average daily trading volume over the past month, of 16.9 million shares. Especially high volume was seen for the $16 strike put option expiring March 17, 2023, with 50,800 contracts trading so far today, representing approximately 5.1 million underlying shares of AAL. Below is a chart showing AAL's trailing twelve month trading history, with the $16 strike highlighted in orange:

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

Revolve Group Inc (RVLV) options are showing a volume of 13,494 contracts thus far today. That number of contracts represents approximately 1.3 million underlying shares, working out to a sizeable 95% of RVLV's average daily trading volume over the past month, of 1.4 million shares. Especially high volume was seen for the $25 strike put option expiring March 17, 2023, with 6,565 contracts trading so far today, representing approximately 656,500 underlying shares of RVLV. Below is a chart showing RVLV's trailing twelve month trading history, with the $25 strike highlighted in orange:

And B. Riley Financial Inc (RILY) saw options trading volume of 5,219 contracts, representing approximately 521,900 underlying shares or approximately 94.4% of RILY's average daily trading volume over the past month, of 553,045 shares. Especially high volume was seen for the $30 strike put option expiring April 21, 2023, with 647 contracts trading so far today, representing approximately 64,700 underlying shares of RILY. Below is a chart showing RILY's trailing twelve month trading history, with the $30 strike highlighted in orange: