Noteworthy Thursday Option Activity: C, SWBI, BLK

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Citigroup Inc (Symbol: C), where a total volume of 68,627 contracts has been traded thus far today, a contract volume which is representative of approximately 6.9 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 60.7% of C's average daily trading volume over the past month, of 11.3 million shares. Especially high volume was seen for the $105 strike call option expiring December 05, 2025, with 3,395 contracts trading so far today, representing approximately 339,500 underlying shares of C. Below is a chart showing C's trailing twelve month trading history, with the $105 strike highlighted in orange:

Smith & Wesson Brands Inc (Symbol: SWBI) saw options trading volume of 2,936 contracts, representing approximately 293,600 underlying shares or approximately 60.5% of SWBI's average daily trading volume over the past month, of 484,970 shares. Particularly high volume was seen for the $8 strike put option expiring December 19, 2025, with 1,171 contracts trading so far today, representing approximately 117,100 underlying shares of SWBI. Below is a chart showing SWBI's trailing twelve month trading history, with the $8 strike highlighted in orange:

And Blackrock Inc (Symbol: BLK) saw options trading volume of 3,695 contracts, representing approximately 369,500 underlying shares or approximately 59.4% of BLK's average daily trading volume over the past month, of 622,390 shares. Especially high volume was seen for the $1040 strike call option expiring December 05, 2025, with 471 contracts trading so far today, representing approximately 47,100 underlying shares of BLK. Below is a chart showing BLK's trailing twelve month trading history, with the $1040 strike highlighted in orange:

For the various different available expirations for C options, SWBI options, or BLK options, visit StockOptionsChannel.com.

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

Also see:

• DINO Videos
• Institutional Holders of EWHS
• Institutional Holders of FWD

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.