Costco Wholesale Corp (COST) saw a high trading volume of 42,491 contracts, equivalent to 4.2 million shares, representing 206.6% of its average daily volume. Tesla Inc (TSLA) had options trading volume of 1.7 million contracts, equivalent to 170.0 million shares, or 168.4% of its average daily volume. Netflix Inc (NFLX) had a trading volume of 49,467 contracts, representing 4.9 million shares, or 162.6% of its average daily volume.

Especially high trading volume was seen for the $950 strike put option on COST, the $320 strike call option on TSLA, and the $1260 strike call option on NFLX. For more information on options trading for these companies, visit StockOptionsChannel.com. Check out the most active call and put options of the S&P 500 for today.

Read more at Nasdaq: Notable Wednesday Option Activity: COST, TSLA, NFLX