Graded economics-13%
PSA 10$61.00PriceCharting crawler
PSA 9$18.00PriceCharting crawler
PSA 8$13.08PriceCharting crawler
Net EV$-4.73$31.90 net sale vs $36.63 cost
Outcome mix10 47% / 9 36% / 8 17%
Assumption$25.00 grade, 15% sale haircut
PSA 10/9 premium3.4x
PopulationPSA 10
Gem rate47.3%
PSA 10 pop1,340
Total pop2,831
SourceGemRate snapshot enrichment
PSA 10 velocity-
Total velocity-
SnapshotJun 20, 2026
Scarcity33/100
LabelWeak
Confidence100/100
Supply28/100
Demand7/100
Gem rate 47.3%PSA 10 pop 1340/2831PSA 10/9 premium 3.4xSupply constraint 28/100
Raw validationconfirmed
TCG market$11.66
Pulse price$11.63
Delta+0%
CheckedJun 21, 2026
Terapagos ex - 173/142PSA comps refreshed Jun 22, 2026
Signal context1
Drawdown72% off peak, Recovering
*All-time high/low are within the tracked window (2024-09-08 - 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.