Since its March 2026 baseline, the BrickCheck™ MMi 300 is up — — about — a year (year-to-date pace).
How to read this: the index is set to 100 at its historical starting point and launched at — in March 2026 — meaning — of Value Δ was already reflected before tracking began. The "total vs base 100" includes that pre-tracking history; the since-baseline figure is the gain we've actually tracked.
BrickCheck™ combines a proprietary price index combined with AI-powered scoring data for 18,740 minifigures — the most defensible market intelligence in the collectibles space.
Beta is limited to 50 members. Invite codes unlock full member access — unlimited lookups, complete MMi Score breakdown, and all market analytics.
Three data layers to a definitive market value
Fixed basket of 300 gate-qualified figs, weighted by March 2026 transaction volume. The same methodology as national CPI. Updated every month on the 16th.
Fair Market Value blends completed sales with the average of used and new middle-40% trimmed asking prices (each needs ≥ 10 active listings; one alone if only one qualifies) — manipulation-protected and more accurate than BrickLink's raw average.
A composite 1–99 score from three sub-scores — liquidity, replacement value and investability. Know exactly where each fig sits in the market — and why.
The BrickCheck™ MMi Score (1–99) is a composite market intelligence score for every LEGO minifigure — built from verified secondary market data, updated monthly. It is the single most defensible valuation signal available for LEGO collectibles.
Full score methodology available to subscribers.