Yes, Costco typically holds after-Christmas sales, although the specific details may vary depending on the location and the type of products being sold. Costco's after-Christmas sales typically begin on or shortly after December 25th and can last for several days. The sales usually offer significant discounts on a wide range of products, including electronics, toys, home decor, clothing, and more. If you're interested in taking advantage of Costco's after-Christmas sales, I recommend checking your local store or their website for more information on specific deals and dates.