Today, Costco Wholesale Corp (COST) saw significant options trading volume, with 25,989 contracts representing 2.6 million shares, 89.6% of the average daily volume. Eastman Chemical Co (EMN) also had high options volume, with 10,445 contracts representing 1.0 million shares, 70.4% of the average daily volume. Microsoft Corporation (MSFT) had 132,745 contracts traded, representing 13.3 million shares, 68.9% of the average daily volume.

Notably, the $937.50 strike call option for COST, expiring on October 17, 2025, had 1,284 contracts traded, while the $60 strike put option for EMN, expiring on the same date, had 5,065 contracts traded. MSFT’s $512.50 strike call option for the same expiration date had 7,364 contracts traded.

For more information on options trading for COST, EMN, and MSFT, visit StockOptionsChannel.com. Explore today’s most active call and put options for the S&P 500.

Read more at Nasdaq: Notable Friday Option Activity: COST, EMN, MSFT