Notable Tuesday Option Activity: BLDR, PANW, GPC

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Builders FirstSource Inc. (Symbol: BLDR), where a total volume of 9,105 contracts has been traded thus far today, a contract volume which is representative of approximately 910,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 46.4% of BLDR's average daily trading volume over the past month, of 2.0 million shares. Especially high volume was seen for the $105 strike call option expiring May 15, 2026, with 3,129 contracts trading so far today, representing approximately 312,900 underlying shares of BLDR. Below is a chart showing BLDR's trailing twelve month trading history, with the $105 strike highlighted in orange:

Palo Alto Networks, Inc (Symbol: PANW) saw options trading volume of 37,133 contracts, representing approximately 3.7 million underlying shares or approximately 45.1% of PANW's average daily trading volume over the past month, of 8.2 million shares. Particularly high volume was seen for the $175 strike call option expiring April 24, 2026, with 4,370 contracts trading so far today, representing approximately 437,000 underlying shares of PANW. Below is a chart showing PANW's trailing twelve month trading history, with the $175 strike highlighted in orange:

And Genuine Parts Co. (Symbol: GPC) options are showing a volume of 9,195 contracts thus far today. That number of contracts represents approximately 919,500 underlying shares, working out to a sizeable 43.6% of GPC's average daily trading volume over the past month, of 2.1 million shares. Especially high volume was seen for the $105 strike put option expiring May 15, 2026, with 4,392 contracts trading so far today, representing approximately 439,200 underlying shares of GPC. Below is a chart showing GPC's trailing twelve month trading history, with the $105 strike highlighted in orange:

For the various different available expirations for BLDR options, PANW options, or GPC options, visit StockOptionsChannel.com.

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

Also see:

• Warren Buffett Stock Picks
• Institutional Holders of RRD
• Secondary Stock Offerings

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