Graded economics-35%
PSA 10$162.91Market grade-curve estimate
PSA 9$59.99Market grade-curve estimate
PSA 8$47.08Market grade-curve estimate
Net EV$-27.15$50.12 net sale vs $77.27 cost
Outcome mix10 3% / 9 66% / 8 31%
Assumption$25.00 grade, 15% sale haircut
PSA 10/9 premium2.7x
PopulationPSA 10
Gem rate2.9%
PSA 10 pop2
Total pop69
SourceGemRate card search enrichment
PSA 10 velocity-
Total velocity-
SnapshotJun 22, 2026
Scarcity76/100
LabelStrong
Confidence89/100
Supply94/100
Demand39/100
Gem rate 2.9%PSA 10 pop 2/69PSA 10/9 premium 2.7xSupply constraint 94/100
Raw validationconfirmed
TCG market$52.27
Pulse price$52.27
Delta0%
CheckedJun 22, 2026
Professor Birch (2006)PSA comps refreshed Jun 22, 2026PSA sales window 90 days
Signal context1
Support$45.99 floor, 2 tests
*All-time high/low are within the tracked window (2024-04-08 - 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.