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COMC Blog title: COMC Blog – The official blog of the world's largest trading card marketplace

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The fall sports calendar is colliding, and the excitement is building. The WNBA Playoffs and MLB Postseason are heating up, while the NHL gets ready to drop the puck on a brand-new season.

To celebrate th...


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Announcing a very special selling opportunity with eBay: The 2026 September Marquee Auction Event will run from September 10th through September 20th!

COMC is proud to announce we are joining forces with eBay’s latest auction event to get your high-value cards in front of serious buyers! The 2026 September Marquee Auction Even...


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Preseason football is in full swing, and the 2026 NFL season is right around the corner. To celebrate, COMC is launching Opening Drive, a week-long event Sept. 7–14 featuring free seller promot...


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We’ve rolled out a new COMC iOS app update focused on reliability, smoother navigation, and a few quality-of-life improvements based on user feedback.

Version 1.9.2 includes a new link on the Not For Sale screen that makes it easier to view other copies currently available for sale. We’ve also improved spacing on saved searches and fixed a layout is...


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