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Slabnomics · July 14 · 19 min

Wait, Do PSA 9s Have Better ROI Than PSA 10s?!?

Is the PSA 9 dead? Not so fast. Matt digs into three iconic cards across three sports to test a strange pattern: PSA 9s outperforming PSA 10s. He indexes every sale against player and sport baskets, then walks the data. 2003 Topps Chrome LeBron. 2014 World Cup Prizm Messi. 1999 Base Set Charizard. Weekly Newsletter Signup: Slabnomics.com 🎥Youtube 📸Instagram

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Is the PSA 9 dead? Not so fast. Matt digs into three iconic cards across three sports to test a strange pattern: PSA 9s outperforming PSA 10s.

He indexes every sale against player and sport baskets, then walks the data. 2003 Topps Chrome LeBron. 2014 World Cup Prizm Messi. 1999 Base Set Charizard.

Weekly Newsletter Signup: Slabnomics.com
🎥Youtube
📸Instagram

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