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Prof. Oak's Research
Uncommon · #98/112
Prof. Oak's Research #98/112 (EX FireRed & LeafGreen) is worth about $4.91 today, the Near Mint market price from TCGplayer sales as of 2026-09-30.
price trend and all-time high: more ↓less ↑
Prof. Oak's Research #98/112 is trending up: $4.91 today, up 4% in 30 days and 4% below its all-time high of $5.09 (2026-01-13). TCGplayer market price as of 2026-09-30, tracked daily since 2024-02-08. chart →
illustrated by Ken Sugimori
Price data for your app or store: API and daily history since 2024 · CSV download
PRINTINGS · WHICH ONE IS YOURS?
Prof. Oak's Research #98/112 comes in 3 printings: the 2004-2005 Promo Normal from Professor Program Promos is $134.99, the Uncommon Reverse Holofoil from EX FireRed & LeafGreen is $4.91 and the Uncommon Normal from EX FireRed & LeafGreen is $1.15 (TCGplayer market, 2026-10-02).
- 2004-2005 Promo Normal from Professor Program Promos$134.99
- Uncommon Reverse Holofoil from EX FireRed & LeafGreen · this page$4.91
- Uncommon Normal from EX FireRed & LeafGreen · this page$1.15
LOADING TAPE
WORTH GRADING?
WHERE TO BUY AND SELL
Reverse Holofoil · no eBay scan yetBuy-side estimate
$4.91
THINa patient buyer pays about $4.91 delivered, from live asks, not sales
show the work →
TCGplayer only, no eBay scan yet
| TCGplayer market | $4.91 | verify ↗ |
| TCGplayer lowest ask | $3.72 |
Single source: TCGplayer market (no usable eBay asks in the last scan).
The verdict · premium
Cards 3-15% off their high after a flat month were higher 90 days later 70% of the time in our archive since 2024 (50,201 cases).
The median move, the verdict and the grade-worthy math: try Premium free for 7 days →GAME DATA[ + ] SHOW[ × ] HIDE
- CARD TYPE
- Supporter
- CARD TEXT
- You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokemon. When your turn ends, discard this card. Shuffle you hand into your deck, then draw 5 cards.
MORE BY KEN SUGIMORI
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MORE FROM EX FIRERED & LEAFGREEN
FULL SET →
PRICE FAQ
Why does Prof. Oak's Research #98/112 have different prices?
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Prof. Oak's Research #98/112 was printed 3 ways and each one sells separately: 2004-2005 Promo Normal from Professor Program Promos $134.99; Uncommon Reverse Holofoil from EX FireRed & LeafGreen $4.91; Uncommon Normal from EX FireRed & LeafGreen $1.15 (TCGplayer market, 2026-10-02). Check the set, the rarity mark and any parallel foil, manga art or edition stamp on your copy to know which price is yours; TickerMint prices every printing on its own page.
What would a card shop pay for Prof. Oak's Research?
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Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $4.91 market price that is roughly $3.44 cash or $3.93 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.
What is Prof. Oak's Research (EX FireRed & LeafGreen) worth today?
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Prof. Oak's Research [Reverse Holofoil] has a TCGplayer market price of $4.91 as of 2026-10-02. Across 2 tracked variants, latest prices range from $1.15 to $4.91.
Is Prof. Oak's Research going up or down in price?
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Prof. Oak's Research #98/112 is trending up: $4.91 today, up 4% in 30 days and 4% below its all-time high of $5.09 (2026-01-13). TCGplayer market price as of 2026-09-30, tracked daily since 2024-02-08.
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