Among the major components of the S&P 500 index, Alphabet Inc (GOOGL) experienced significant options trading on September 4, 2026, with 177,779 contracts exchanged, equating to approximately 17.8 million underlying shares. This volume represents about 73.6% of its average daily trading volume of 24.1 million shares for the past month. The highest activity was seen for the $340 strike call option, which had 17,381 contracts traded, corresponding to roughly 1.7 million underlying shares.
Costco Wholesale Corp (COST) also reported substantial options trading, totaling 12,826 contracts and about 1.3 million underlying shares. This volume constitutes approximately 72.7% of its average daily trading volume of 1.8 million shares. Notable was the $965 strike call option, with 597 contracts traded, representing about 59,700 underlying shares.
Eaton Corp plc (ETN) recorded 12,819 options contracts traded, equivalent to approximately 1.3 million underlying shares, or around 71.3% of its average daily volume of 1.8 million shares. The most active was the $390 strike put option, with 5,733 contracts traded, representing about 573,300 underlying shares.
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