The benchmark
HOW THE CHASE 100 WORKS
The Chase 100 is a public, reproducible index of the 100 most-traded modern sports cards. Every calculation is transparent: the formula, the exact cards in the basket, and the weights are all published here. No black box.
THE METHODOLOGY
Reproducible and defensible — every tick of the index follows these rules, no discretion.
Methodology will appear once the index is seeded.
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Historical data only. Index levels and constituent trend percentages reflect past sold-sale prices — never a forecast or prediction. Data sourced from sold-sale comps (no vendor named — D36).
THE BASKET
The auditable list of every card in the index — exact cards, weights, and recent price trend. Public, no account needed.
sold-sale compsas of Jul 20, 2026Trend = % change over 30d. Thin-data cards show “not enough data” rather than a misleading %.
No constituents found. The basket is populated by the quarterly rebalance job.