What this is
Per-card change in ungraded price between PriceCharting month-end points, median across the cohort (Cohorts are not random samples: each set contributes its highest- (or ranks 41-52) priced cards today, so survivors are over-represented in both arms alike.
Where it comes from
Our calculation from other figures in the trainer’s notes.
Show the working
- derived from PriceCharting month-end ungraded sold-price series
- windows span TCG Live rotation 2026-03-26 and event rotation 2026-04-10