Among the notable options trading activity in the S&P 500 today, Amazon.com Inc (AMZN) led with a volume of 395,506 contracts traded, representing approximately 39.6 million underlying shares—about 59.7% of its average daily volume of 66.3 million shares. The most active was the $217.50 call option expiring on March 6, 2026, with 42,032 contracts traded.
TransDigm Group Inc (TDG) saw 1,813 contracts change hands, equating to roughly 181,300 underlying shares, or 52% of its average daily volume of 348,470 shares. The $1,400 strike call option expiring March 20, 2026, led this activity with 904 contracts traded.
Alphabet Inc (GOOG) reported a total of 123,539 contracts traded, representing about 12.4 million underlying shares, or 50.5% of its average daily volume of 24.5 million shares. Noteworthy was the $300 strike call option expiring on March 6, 2026, with 12,078 contracts traded.
