Graded economics+231%
PSA 10$2,570PriceCharting crawler
PSA 9$472.94PriceCharting crawler
PSA 8$335.00PriceCharting crawler
Net EV$548.42$785.91 net sale vs $237.49 cost
Outcome mix10 23% / 9 52% / 8 25%
Assumption$25.00 grade, 15% sale haircut
PSA 10/9 premium5.4x
PopulationPSA 10
Gem rate23.2%
PSA 10 pop163
Total pop704
SourceGemRate snapshot enrichment
PSA 10 velocity-
Total velocity-
SnapshotJun 20, 2026
Scarcity69/100
LabelWatch
Confidence100/100
Supply59/100
Demand100/100
Gem rate 23.2%PSA 10 pop 163/704PSA 10/9 premium 5.4xSupply constraint 59/100
Raw validationconfirmed
TCG market$208.33
Pulse price$212.49
Delta-2%
CheckedJun 22, 2026
Nidoqueen (H21)PSA comps refreshed Jun 22, 2026
Signal context1
Support$200.00 floor, 2 tests
*All-time high/low are within the tracked window (2024-03-08 - 2026-09-15). Raw, ungraded TCGplayer market price (blue) and cheapest listing (grey) via the free TCGCSV mirror. Personal, non-commercial prototype - not investment advice.