Graded economicsNeeds PSA
PSA 10$69.99PokemonPriceTracker 365d
PSA 9$55.00PokemonPriceTracker 365d
PSA 8-PokemonPriceTracker 365d
Net EV-Needs gem rate plus PSA 10/9
Outcome mix-
Assumption$25.00 grade, 15% sale haircut
PSA 10/9 premium1.3x
PopulationMissing
Gem rate-
PSA 10 pop-
Total pop-
Source-
PSA 10 velocity-
Total velocity-
Snapshot-
ScarcityNeeds PSA
Label-
Confidence-
Supply-
Demand-
Needs GemRate population plus PSA 10 and PSA 9 pricing.
Raw validationconfirmed
TCG market$16.66
Pulse price$17.68
Delta-6%
CheckedJun 22, 2026
Grass Energy (2023)PSA comps refreshed Jun 22, 2026PSA sales window 365 days
Signal context1
Drawdown65% off peak, Recovering
*All-time high/low are within the tracked window (2025-02-08 - 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.