In the realm of options trading, significant activity has been observed among the components of the S&P 500 index today. One standout is Align Technology Inc (Symbol: ALGN), which has seen a total trading volume of 7,214 contracts. This volume translates to approximately 721,400 underlying shares, as each contract represents 100 shares. Notably, this figure accounts for 58.6% of ALGN’s average daily trading volume over the past month, which stands at 1.2 million shares.
A particularly high volume was noted for the $130 strike put option expiring October 31, 2025, with 2,002 contracts traded today, representing around 200,200 underlying shares of ALGN. Below is a chart illustrating ALGN’s trailing twelve-month trading history, with the $130 strike highlighted in orange:
Another notable player is Broadcom Inc (Symbol: AVGO), which has recorded an impressive 135,780 contracts traded so far today. This volume corresponds to approximately 13.6 million underlying shares, making up 56.8% of AVGO’s average daily trading volume over the past month, which is 23.9 million shares.
The $350 strike call option expiring October 10, 2025 has attracted significant attention, with 9,659 contracts traded today, representing about 965,900 underlying shares of AVGO. Below is a chart showing AVGO’s trailing twelve-month trading history, with the $350 strike highlighted in orange:
Lastly, Citigroup Inc (Symbol: C) has also seen substantial options trading activity, with 58,739 contracts traded today. This volume represents approximately 5.9 million underlying shares, accounting for 45.7% of C’s average daily trading volume over the past month, which is 12.8 million shares.
A notable highlight is the $105 strike call option expiring November 21, 2025, which has seen 3,790 contracts traded today, representing around 379,000 underlying shares of C. Below is a chart depicting C’s trailing twelve-month trading history, with the $105 strike highlighted in orange:
For those interested in exploring the various available expirations for ALGN options, AVGO options, or C options, visit StockOptionsChannel.com.
Today’s Most Active Call & Put Options of the S&P 500 »
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The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.
