Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in CBL & Associates Properties Inc (CBL), where a total volume of 643 contracts has been traded thus far today, a contract volume which is representative of approximately 64,300 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 47% of CBL's average daily trading volume over the past month, of 136,765 shares. Especially high volume was seen for the $30 strike call option expiring July 21, 2023, with 623 contracts trading so far today, representing approximately 62,300 underlying shares of CBL. Below is a chart showing CBL's trailing twelve month trading history, with the $30 strike highlighted in orange:

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

TG Therapeutics Inc (TGTX) options are showing a volume of 24,522 contracts thus far today. That number of contracts represents approximately 2.5 million underlying shares, working out to a sizeable 44.6% of TGTX's average daily trading volume over the past month, of 5.5 million shares. Especially high volume was seen for the $13 strike call option expiring February 17, 2023, with 5,105 contracts trading so far today, representing approximately 510,500 underlying shares of TGTX. Below is a chart showing TGTX's trailing twelve month trading history, with the $13 strike highlighted in orange:

And OptimizeRx Corp (OPRX) saw options trading volume of 661 contracts, representing approximately 66,100 underlying shares or approximately 43.4% of OPRX's average daily trading volume over the past month, of 152,420 shares. Especially high volume was seen for the $22.50 strike call option expiring March 17, 2023, with 226 contracts trading so far today, representing approximately 22,600 underlying shares of OPRX. Below is a chart showing OPRX's trailing twelve month trading history, with the $22.50 strike highlighted in orange: