News & methodology
How each price and screen is built, and dated market notes written from the catalog's own reads. Signals, not tips.
30th Celebration, a month on: the set gave back 42%, the RGB Mew found a price, and PSA has graded 125 copies
The same 158 cards that cost $1,267.51 for one of each on 25 September cost $731.96 on the latest reads, with the middle tiers down most. The three RGB Mew, unpriced then, now read $3,739 to $6,000 on 8 to 16 listings each. A pack's contents are worth 49% of its $13.37 price, down from 60%.
CardGameInsight Desk · Oct 13, 2026 · 6 min read
Ascended Heroes: every tracked card got cheaper in a month, and every PSA 10 count grew
Between the 9 September and 8 October population builds, the twelve Ascended Heroes cards this site tracks fell a median 18.4% at TCGplayer market while their PSA 10 counts rose a median 18.4%. Across all 302 tracked cards the median count grew 0.9%, and the ten sets released before 2012 did not move at all.
Crown Zenith's Galarian Gallery, three years on: the most graded modern set in the catalog
BetterPop's September build counts 705,845 PSA-graded Crown Zenith cards, more than any set except Base Set and 151. The Galarian Gallery carries the value: Giratina VSTAR at $316 raw with 24,194 PSA 10s.
Drawdown vs population: a price fall is only a supply story if the supply actually grew
Screen 2 lists cards 30% or more below their window high, then asks whether the PSA 10 count rose in the meantime. With one population read the second column waits; here is why it is built that way.
Pop-adjusted value: what a PSA 10 costs per copy in existence, and why the slope flips by era
Screen 1 regresses PSA 10 price on PSA 10 population within each era. In the vintage era scarcity barely predicts price. In the modern eras the slope is positive, which changes what 'below the curve' means.