What this is
Japanese-set pages on PriceCharting (US$ sold prices of JP cards). 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 Japanese-set month-end ungraded sold-price series (US$)
- JP rotation 2026-01-23 falls inside the Jan-01 -> Feb-01 window