Prof. Oak's Research

FireRed & LeafGreen · #98/112 · Uncommon · 2004

$4.91
Reverse Holofoil · Market price ▲ 4.5% (30d)
Prices as of Sep 26, 2026
SupporterArt · Ken Sugimori
68graded pop
46%gem rate
38.6×PSA 10 vs raw
-87%off ATH $8.99 · Dec 2021
−$2.09EV to grade — don't
Market data

Printings & price history

Reverse Holofoil▼ 0.2% 7d$4.91
Low $3.72Mid $9.49

Loading chart…

Live listings

Buy it now on eBay

Loading live listings…

Live from eBay · affiliate links support CardPrice · see recent sold results →

Graded market

Graded values

PSA 10 report →updated 2026-09-26
Grade 6 est.$5.08
Grade 5 est.$4.28
Grade 4 est.$3.53
Grade 3 est.$2.94
Grade 2 est.$2.41
Grade 1 est.$2.03

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

Reverse Holofoil · PSA 10 price history$274.50

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-09-18

Reverse Holofoil
CGC55 graded · 23 gem 10

Population data from PriceCharting, updated monthly.

How much is Prof. Oak's Research #98/112 worth?

A raw copy of Prof. Oak's Research #98/112 (FireRed & LeafGreen, 2004) is worth about $1.15 right now, based on the latest market data from September 27, 2026. Across the 2 printings we track, copies run anywhere from $0.77 to $189.00 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $44.36, roughly 38.6x the raw price, while a PSA 9 sits near $7.05. 55 copies have been graded to date, and 42% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Prof. Oak's Research has moved over time.

Collecting FireRed & LeafGreen?Full master set guide — every card, chase list, and completion cost→

Other printings of Prof. Oak's Research 1