Slabnomics
Finance-Bro turned Card Bird explores the intersection of collecting, investment, and market theory for sports cards.
Think Financial Analyst meets Sports Card Collector.
New Episodes drop Tuesdays @ 7 AM CST.
Slabnomics
Latest Episodes
18 Years of Fantasy Football Taught Me How to Buy Cards
What do 18 years of fantasy football tell us about sports cards markets?This episode maps the five phases of dynasty fantasy football onto sports card and TCG investing. The core argument: most people think you win in the acc...
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 ...
I Ran a 15-Month Soccer Card Fund. Here's What Actually Worked.
A 15-month soccer card investment fund, reviewed in real time during the 2026 World Cup. Why demand trickles top-down in illiquid markets, why case hits (Kaboom, Color Blast, Stained Glass) hold a floor, and why Messi, Mbappé, and Haaland...
Parallels, Graders, and How PSA's Submission Pause Might Affect the Market
I looked at all 83 parallels of Victor Wembanyama's 2023 Prizm rookie and indexed every sale against his player market. The best returns did not come from the 1/1s. This episode is a thought dump on that, plus two bigger questions: is vin...