modern-to-grade · secret rare
Professor's Research
Pokémon GO · #84 · English · released 2022
Raw market price
$9.17
7 days
▲ 4%
30 days
▲ 5.4%
90 days
▲ 10.1%
Graded prices & PSA population
| Grade | Market price | PSA population |
|---|---|---|
| PSA 10 | $41 | 238 |
| PSA 9 | $19 | 164 |
PSA population recorded 2026-09-05 · total graded 487
Why this card matters
pop
Graded premium is real (PSA 9 at 5.6× raw) but the PSA 10 comp ($64 list vs $31 sole sale) is a single data point, making true scarcity hard to confirm.
demand
Professor's Research is a beloved staple trainer card with Pokémon GO nostalgia, but rainbow rares of non-character trainer cards carry limited collector pull compared to Pokémon alt-arts.
artist
Rainbow rare treatment adds visual flair but the illustration is a trainer card rather than a standout full-art character piece, limiting premium desirability.
catalyst
30-day momentum is negative at -6.6% with no listing data and a sole PSA 10 comp well below the listed grade price — no positive trigger in sight.
Graded comps on record
$54
ACE 10
$50
BGS 10
$41
PSA 10
$29
TAG 10
$26
CGC 10
$19
PSA 9
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More from Pokémon GO
Market data recorded 2026-07-28 from licensed market sources. MASTER records prices daily and never invents a number — estimated values are always labeled. Not financial advice.