Graded economics-32%
PSA 10$57.49Market grade-curve estimate
PSA 9$23.16Market grade-curve estimate
PSA 8-Market grade-curve estimate
Net EV$-15.61$32.45 net sale vs $48.06 cost
Outcome mix10 44% / 9 56%
Assumption$25.00 grade, 15% sale haircut
PSA 10/9 premium2.5x
PopulationPSA 10
Gem rate43.8%
PSA 10 pop7
Total pop16
SourceGemRate snapshot enrichment
PSA 10 velocity-
Total velocity-
SnapshotJun 21, 2026
Scarcity42/100
LabelWeak
Confidence88/100
Supply32/100
Demand5/100
Gem rate 43.8%PSA 10 pop 7/16PSA 10/9 premium 2.5xSupply constraint 32/100
Raw validationconfirmed
TCG market$20.52
Pulse price$23.06
Delta-11%
CheckedJun 22, 2026
DonphanPSA comps refreshed Jun 22, 2026PSA sales window 90 days
Signal context1
Support$19.89 floor, 3 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.