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 appreciation 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 a middle-40% trimmed mean of current listings — manipulation-protected and more accurate than BrickLink's raw average.
A composite 1–99 score across 7 weighted components. 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.