Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Old Dominion Freight Line, Inc. (ODFL), where a total volume of 3,449 contracts has been traded thus far today, a contract volume which is representative of approximately 344,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 59.8% of ODFL's average daily trading volume over the past month, of 577,075 shares. Especially high volume was seen for the $370 strike put option expiring December 15, 2023, with 815 contracts trading so far today, representing approximately 81,500 underlying shares of ODFL. Below is a chart showing ODFL's trailing twelve month trading history, with the $370 strike highlighted in orange:

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

Novavax, Inc. (NVAX) saw options trading volume of 34,222 contracts, representing approximately 3.4 million underlying shares or approximately 59.6% of NVAX's average daily trading volume over the past month, of 5.7 million shares. Particularly high volume was seen for the $13 strike call option expiring December 08, 2023, with 18,299 contracts trading so far today, representing approximately 1.8 million underlying shares of NVAX. Below is a chart showing NVAX's trailing twelve month trading history, with the $13 strike highlighted in orange:

And Avis Budget Group Inc (CAR) saw options trading volume of 2,530 contracts, representing approximately 253,000 underlying shares or approximately 56.8% of CAR's average daily trading volume over the past month, of 445,740 shares. Especially high volume was seen for the $185 strike put option expiring December 01, 2023, with 671 contracts trading so far today, representing approximately 67,100 underlying shares of CAR. Below is a chart showing CAR's trailing twelve month trading history, with the $185 strike highlighted in orange: