Josh Luber helped create an entire category of business before most people had a name for it. As the co-founder of StockX, he turned sneaker resale into a data-driven marketplace that reshaped how collectibles are bought, sold, and valued. Josh Luber joined Sean Kelly on the Digital Social Hour to talk about that journey and where the collectibles world is headed next.
The conversation covers the mechanics of grading and scarcity that drive value, the founding story behind StockX, and what Josh learned negotiating deals at the highest levels of the industry.
About Josh Luber
Josh Luber is best known as the co-founder of StockX, the sneaker and streetwear resale marketplace that introduced a stock-market-style bid/ask model to an industry that had always run on guesswork. What began as a passion for sneaker data grew into one of the most recognized names in resale commerce.
After leaving StockX, Luber went on to help launch Fanatics Collectibles and has since turned his attention to a new venture in the collectibles space. His throughline has stayed the same: using data, grading, and scarcity to explain why certain objects hold — or gain — value.
What Josh Luber and Sean Kelly Talked About
- How Josh Luber built StockX into a data-driven marketplace for sneakers and collectibles
- Why grading and scarcity are the real forces that determine collectible value
- The story behind founding StockX and growing it into a major marketplace
- What he learned about deal-making and negotiation at the highest levels of business
- His perspective on the rise of trading cards, sneakers, and modern collectibles culture
- Why he left StockX and what pulled him toward his next collectibles venture
- How grading practices and transparency are changing across resale marketplaces
- What Josh Luber looks for when spotting the next big collectibles trend
Why This Conversation Matters
For anyone who has wondered why a pair of sneakers or a decades-old trading card can carry real market value, this conversation offers a real answer. Josh Luber's path from data enthusiast to marketplace founder shows how scarcity, grading, and demand can turn a niche passion into an entirely new industry.
▶ Watch the full episode on YouTube
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About Sean Kelly & the Digital Social Hour
Sean Kelly is an entrepreneur and the host of the Digital Social Hour, one of the fastest-growing interview podcasts in the world, where he sits down with entrepreneurs, athletes, creators, and cultural voices for candid, long-form conversations. The show draws over 100 million views a month across platforms. Explore more guest features on SeanKelly.io.
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