Prof. Oak's Research

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

$5.47
Reverse Holofoil · Market price ▲ 2.6% (30d)
Prices as of Nov 6, 2026
SupporterArt · Ken Sugimori
13graded pop
62%gem rate
37.9×PSA 10 vs raw
-87%off ATH $8.99 · Dec 2021
Market data

Printings & price history

Reverse Holofoil▲ 0.0% 7d$5.47
Low $3.57Mid $5.15

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Graded market

Graded values

PSA 10 report →updated 2026-11-06
Grade 6 est.$7.13
Grade 5 est.$6.00
Grade 4 est.$4.95
Grade 3 est.$4.13
Grade 2 est.$3.38
Grade 1 est.$2.85

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$44.36

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.

Auction sale integrity

New

Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →

Clean price · CGC 5.5
$8.40
Low confidence — a single sale, not yet corroborated
Recent sale price by grade · tracked by cert number
PSA 8.5
$34.00
last $34.00 · Sep 14, 2026 · 1 sale
CGC 10 · Rev Holo
$42.00
last $42.00 · Sep 14, 2026 · 1 sale
CGC 5.5 · Rev Holo
$7.00
last $7.00 · Sep 7, 2026 · 1 sale
Unconfirmed
PSA 8.5 · 8 bids · Sep 14, 2026
$34.00
Unconfirmed
CGC 10 · 9 bids · Sep 14, 2026
$42.00
Unconfirmed
CGC 5.5 · 3 bids · Sep 7, 2026
$7.00
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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 $1.17 right now, based on the latest market data from November 6, 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 37.9x the raw price, while a PSA 9 sits near $19.31. 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