Professor Oak's New Theory Price Guide
Pokémon · HeartGold & SoulSilver · 101/123 · Uncommon · Released 2010
Professor Oak's New Theory (HeartGold & SoulSilver 101/123) is currently worth $1.00 raw (near mint) and $1000 in PSA 10 (as of Aug 10, 2026). Values come from real eBay sold listings (via Scrydex) and are refreshed daily. Grading is the single biggest value lever — check the raw-to-PSA-10 gap below, then scan your copy to see if its centering makes the grade.
yutaKomatsuda prices
Raw (ungraded)
| NM | $1.00 |
| LP | $0.90 |
| HP | $0.20 |
| DM | $0.06 |
Graded — grade ladder
No graded sales recorded yet.
Last updated 2026-08-10 · Source: real eBay sold listings (via Scrydex)
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normal prices
Raw (ungraded)
| NM | $0.89 |
| LP | $0.55 |
| MP | $0.48 |
| HP | $0.40 |
| DM | $0.44 |
Graded — grade ladder
| Grade | PSA |
|---|---|
| 10 | $1000 |
| 9 | $25.00 |
| 7 | $3.39 |
Last updated 2026-08-10 · Source: real eBay sold listings (via Scrydex)
Shop this card on eBay ↗As an eBay Partner, Midpoint may earn commission from qualifying purchases.
reverseHolofoil prices
Raw (ungraded)
| NM | $6.92 |
| LP | $4.47 |
| MP | $3.52 |
| HP | $2.33 |
| DM | $1.00 |
Graded — grade ladder
| Grade | CGC |
|---|---|
| 9 | $49.99 |
| 8.5 | $24.00 |
Last updated 2026-08-10 · Source: real eBay sold listings (via Scrydex)
Shop this card on eBay ↗As an eBay Partner, Midpoint may earn commission from qualifying purchases.
christopherKan prices
Raw (ungraded)
| NM | $0.65 |
| MP | $0.72 |
| DM | $0.49 |
Graded — grade ladder
No graded sales recorded yet.
Last updated 2026-08-10 · Source: real eBay sold listings (via Scrydex)
Shop this card on eBay ↗As an eBay Partner, Midpoint may earn commission from qualifying purchases.
gustavoWada prices
Raw (ungraded)
| NM | $0.49 |
| LP | $0.62 |
| DM | $0.20 |
Graded — grade ladder
No graded sales recorded yet.
Last updated 2026-08-10 · Source: real eBay sold listings (via Scrydex)
Shop this card on eBay ↗As an eBay Partner, Midpoint may earn commission from qualifying purchases.
igorCosta prices
Raw (ungraded)
| NM | $0.42 |
| LP | $0.40 |
| MP | $0.31 |
| DM | $0.33 |
Graded — grade ladder
No graded sales recorded yet.
Last updated 2026-08-10 · Source: real eBay sold listings (via Scrydex)
Shop this card on eBay ↗As an eBay Partner, Midpoint may earn commission from qualifying purchases.
Is it worth grading?
Strong grading candidate — 1000× premium in PSA 10
A PSA 10 Professor Oak's New Theory sells for $1000 against $1.00 raw: a $999 spread, 1000× the ungraded price. A PSA 9 ($25.00) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Full grading break-even for Professor Oak's New Theory: fee tiers, best grader, gem-rate math →
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Professor Oak's New Theory — frequently asked
How much is Professor Oak's New Theory (HeartGold & SoulSilver) worth?
As of Aug 10, 2026, Professor Oak's New Theory (HeartGold & SoulSilver): an ungraded near-mint copy sells for about $1.00, a PSA 10 sells for about $1000, a PSA 9 for about $25.00. Values come from real eBay sold listings (via Scrydex) and are refreshed daily.
How much is a PSA 10 Professor Oak's New Theory worth?
As of Aug 10, 2026, a PSA 10 (Gem Mint) Professor Oak's New Theory (HeartGold & SoulSilver) sells for about $1000, compared with $1.00 for a raw near-mint copy.
Is Professor Oak's New Theory worth grading?
A PSA 10 Professor Oak's New Theory sells for $1000 against $1.00 raw: a $999 spread, 1000× the ungraded price. A PSA 9 ($25.00) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Where do these Pokémon card prices come from?
Prices are real eBay sold listings (via Scrydex), refreshed daily. Raw values reflect near-mint (NM) ungraded copies; graded values are per grading company and grade.
Is your Pokémon card centered well enough to grade?
Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.
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