PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1 |
| PSA 7 | $3.39 |
| PSA 9 | $16.15 |
| PSA 10 | $45.73 |
| BGS 10 | $59 |
| CGC 10 | $27 |
| SGC 10 | $27 |
TCGplayer market price: $0.73 (as of 2026-10-20)
Market context: ungraded price +25.0% over 30 days. -37.5% over 90 days. PSA 10 premium: 45.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-heartgold-%26-soulsilver/pokemon-heartgold-%26-soulsilver-professor-oak-s-new-theory-101