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About This Podcast
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.
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Recent Episodes
Only 4 of These 1952 Topps Legends Beat the S&P 500
Out of the 10 biggest names in 1952 Topps, only four beat the S&P 500 over 22 years. We pulled 9,720 real sales back to 2004, ran every PSA grade through three market cycles, and spoiler alert,…
PSA: The Federal Reserve of The Hobby
PSA just halted all four of its value grading tiers. The hobby is calling it a failure. We're calling it something else. PSA just acted like a central bank.This episode breaks down why PSA…
Mangos, Messi, and Market Cap: The Hidden Math of Card Prices
Sports card investing through a Wall Street lens. Matthew Worley breaks down supply, demand, and market cap mechanics using three Messi Prizm World Cup Silvers (2014, 2018, 2022). Learn float vs pop…
Don't Buy New Card Releases!
Here's why it's a bad investment every time. Only on Slabnomics. Weekly Newsletter Signup: Slabnomics.com🎥Youtube📸Instagram
Modern Cards Are Overvalued (Value vs. Growth)
174 of my own card flips: Vintage won 62.7% of the time. Modern won 40.7%. Value Premium, What cards are most like value stocks and growth stocks, and how to tilt a portfolio. Weekly Newsletter…
How To Read the Card Market Like a Wall Street Analyst
Seven Card Ladder charts. Three years of price and volume. Seven different cycle stages.This episode applies the Wyckoff Method, the 100-year-old framework finance uses to read market cycles, to the…
The Process I Use to Find Undervalued Cards (And the 4-Month Hunt I Walked Away From)
This is the first time I've walked through the full Slabnomics process from start to finish. Post-mortem to pattern recognition to filter to hunt to execution decision. End to end, with one real…
Why You See "Buying, 80%" (And What to Do About It)
Every Facebook card group has the post. Cash in hand. Buying at 80% of comp. Same wording, different accounts, every week.Nobody asks where the 80% came from. Today we do.This episode walks through…
The Discoverable Market: Why Cards Aren't Like Stocks
Both sides studied the stock market. Nobody applied this to cards. Until now.In this episode of Slabnomics, we introduce the Discoverable Market framework and make the case that the card market is…
Negotiation and How to Get Leverage in Sports Cards
Most card collectors think negotiation is just haggling: subtract from the sticker price, meet in the middle, done. It's not. In this episode, Matt breaks down the actual framework behind why deals…
Diving into Liquidity: 3 Types and How To Exit the Pool
This episode applies institutional liquidity frameworks to the card market. Three types of liquidity and what each one means for your portfolio. Why soccer trades like a two-buyer auction room…
Financial Inertia: What Breaks the Card Market
Have you ever been right about a card and watched the market ignore you for months? This episode breaks down the hidden architecture driving card prices. Not the surface-level "supply and demand"…
Becoming the Card Show Oracle
Most people walk into a card show with a feeling. A vague sense of what looks good, what seems reasonably priced, what a dealer's enthusiasm is worth. This episode is about the gap between walking a…
Return of the King: Topps Chrome
Topps Chrome Basketball is back, Fanatics owns the licenses to all three major American sports leagues, and the hobby is generating real noise. But this isn't a hype story. It's a supply structure…
Sports Card Sets: Top 1% Controls 99% of Value
What Gem Market Cap is and why it matters (PSA 10 population × last sale price)Applying stock market logic (market capitalization) to sports cardsAnalysis of 30 Panini Prizm sets (13 basketball, 13…
I Found The Most Undervalued Cards in the Hobby
Grading has a structural mispricing that represents one of the most compelling arbitrage opportunities in the sports card market. This episode breaks down the population data, valuation multiples,…
Meta-tagging 311 Sales: Lessons My Sports Card Portfolio Taught Me
I analyzed every trade I made over 10 months in one of my buckets:311 sales, $55,000 deployed and fed it all into Claude AI to find patterns. The result was a complete rebuild of how I think about…
Prizm Comparison Across Sports
In this episode of Slabnomics, I pulled every single Panini Prizm base and silver parallel for both players: Lebron James and Lionel Messi. I compared PSA 10 populations, last sale prices, and a…
Player Archetypes and Valuation
What makes a card valuable—not expensive, but valuable? Matt shares the questions driving his research: Can sets tell us a player's lowest common denominator? Which archetypes have the most seasonal…
Why Your Cards Sell for Less (Auction vs BIN Breakdown)
After breaking down PSA 9 and Beckett findings on Instagram last week, this episode returns to fundamentals: how to actually make money in sports cards.You'll Learn:The MLD Framework (Market, Legacy,…
Frequently Asked Questions
Slabnomics has published 57 episodes since May 2025, covering topics in Business, Hobbies.
Slabnomics is currently highly active with new episodes weekly. Average episode length is 27m.
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