Invest In Sports Cards

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Sports cards continue to go sideways through 2022 on fractional markets. According to our analysis, the category is trading at around a 5% discount to fair market value, but that covers up a ton of volatility and market inefficiency. The standard deviation for price relative to fair market value is more than 50%.

Sports Cards Performance 2021 - 2022

Recently Published

george ve

1911 C55 PSA 7 (PWCC- E) George Vezina

Today highlights some perspectives on how the sports cards fractional markets are doing, what’s new at auctions, and assets dropping on marketplaces.
-1911 C55 PSA 7 (PWCC- E) George Vezina
-‘09 Bowman Sterling Gold Refractor Auto BGS 9.5 Mike Trout


Wax Box Basket (2x) 1980 Topps Basketball

Today highlights the rally of Lewis Hamilton in fractional markets, plus the 4 sports cards dropping this week on fractional marketplaces.
-Wax Box Basket (2x) 1980 Topps Basketball
-‘17 Flawless Shield Signatures RPA 1-of-1 Patrick Mahomes
-Tiger Woods 1996 SI for Kids BGS 10
-‘03 Fleer Tradition Crystal Trio BGS 9.5 #’d /50 LeBron | Wade | Melo

dodgers jackie robinson

1949 Bowman #50 Jackie Robinson PSA 7

Today’s dive highlights Lewis Hamilton racing up to ridiculous heights (+ 71.4%), several assets in auctions I was watching, three sports cards dropping this week on fractional marketplaces, and more!
-’58 Americana Ltda. PSA 3 Pele
-1989 Upper Deck Ken Griffey Jr. ROOKIE RC #1 PSA 10
-1949 Bowman #50 Jackie Robinson PSA 7

juan soto

’16 Bowman Chrome Orange Refractor BGS 9.5 Juan Soto

No big movements up or down in overall sports cards fractional markets. But today is a dig into fractional secondary markets, five new assets dropping in marketplaces, plus we look into what’s in auctions this week.

ken griffey jr

’89 Bowman Tiffany Ken Griffey Jr. Rookie Card

The index is all over the place but up slightly overall for sports cards last week on Rally, Otis, and Collectable. Here’s a dig into sports cards this week, what’s at auction, and assets dropping on marketplaces.
-’89 Bowman Tiffany Ken Griffey Jr. Rookie Card
-Cristiano Ronaldo 2002 Panini Portugal Sticker PSA 10

cracker jack

‘68 Milton Bradley PSA 9 Rookie Nolan Ryan

We’ve been watching the Memory Lane auction for a few weeks to get a feel for where the market is relative to our investment thesis. Here’s a look into what’s in sports cards today and the two assets dropping on marketplaces. Let’s dig in.

dibbs preview image

Two new drops on Dibbs

Only 16 assets were negative in sports cards fractional secondary markets on the week. Today’s good look into fractional secondary markets, what’s in for it next week, auctions, and new assets dropping on marketplaces.
-1986 Fleer Stickers #8 Michael Jordan PSA 9
-1996 Topps Chrome #138 Kobe Bryant PSA 10

What you get

Asset Valuations

We don’t just tell you the market capitalization (duh). We analyze as many data sources as possible to triangulate an asset’s Inferred Value.

Category Benchmarks

And we don’t stop at assets, either. We establish and maintain a deep benchmark analysis to understand the performance of entire categories.

Outlook and Risks

We wrap everything up with a quantitative verdict, and fold that into rich qualitative analysis to create our proprietary Insider Score.


Benjamin Hoffman
Benjamin Hoffman
Co-founder at
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Alternative Assets Insider is the only email newsletter I've read from start to finish from day one. If you are serious about buying and selling businesses then learning the metrics that Stefan & Wyatt provide is the next-level analysis you've been waiting for to determine the true value of a website. They break down each website in detail, metric by metric, and serve it up in a brief email with graphics and links.
Valentine Watkins
Valentine Watkins
Content Designer at Afterpay
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Absolute must-read every time it hits my inbox. Stefan and Wyatt are web wizards, appraising assets using a mixture of arcane product knowledge, SEO sorcery and metrics magic. They lifts a veil shrouding the Internet to show its secret world of side hustle and investment opportunities.