Rare Ultra
Professor's Research #78 PSA 9 Price
Pokémon GO · #78
Market value · PSA 9
$12.14
range $10 – $14
Confidencelow confidence
PSA 9 sales · 90 days2
LiquidityMedium
Fair buy$10
Fair sell$14
PSA 9 sits 67% below PSA 10 — a wide gap, so PSA 9 can look relatively cheap if you'll hold.
PSA 9 slabs for sale right now
Buy from here
Price history · PSA 9
1 Sept 202323 Aug 2026
Latest
$12.14
Period high
$18.96
Period low
$10.20
Change
▼ 29.9%
Long-range PSA 9 market history from PriceCharting, anchored to today's PSA 9 value.
PSA population
PSA has graded 172 copies of Professor's Research at PSA 9 out of 418 total PSA graded — a 39% gem (PSA 10) rate.
Frequently asked questions
How much is Professor's Research #78 worth in PSA 9?
A PSA 9 Professor's Research (Pokémon GO #78) is worth about $12, typically 10–14, based on recent real sold prices.
PSA 9 vs PSA 10 — how much cheaper is PSA 9?
PSA 9 trades about 67% below PSA 10 for this card ($12 vs $37).
How many Professor's Research PSA 9 exist?
PSA has graded 172 copies of Professor's Research at PSA 9 out of 418 total PSA graded.
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Citation
Professor's Research (Pokémon GO #78) PSA 9 — Pokémon market value $12. Source: CardTrack, https://cardtrack.com/pokemon/card/pokemon-go/professor-s-research-78/psa-9