What Gem Market Cap is and why it matters (PSA 10 population × last sale price)

Applying stock market logic (market capitalization) to sports cards

Analysis of 30 Panini Prizm sets (13 basketball, 13 football, 4 soccer)

Total PSA 10 base & silver value across sports (~$75 million)

Basketball vs Football vs Soccer capitalization comparison

The Grubbs Test (3 standard deviation outlier detection)

Jenks Natural Breaks algorithm for tier classification

The “Brandon Miller problem” and contextual scaling distortion

Icon Tier vs Franchise Tier vs Field classification

Victor Wembanyama’s 2023 Prizm Silver dominance (83% of set value)

Luka Dončić’s high-liquidity population model (20,000+ PSA 10s)

Patrick Mahomes’ 2017 Prizm Silver dominance

Kylian Mbappé’s 2018 World Cup market share

Tom Brady 2012 Prizm Silver extreme scarcity example

LeBron James 2012 Prizm Silver ultra-low population

High-volume liquidity vs extreme scarcity paths to icon status

Layer 1 Set Tiering: ranking entire sets by total capitalization

Cornerstone vs Mid Tier vs Fringe sets

Why generational icons elevate entire products

The Pareto Principle in modern sports cards

Why 99% of cards have minimal long-term financial gravity

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