PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.45 |
| PSA 9 | $23.63 |
| PSA 10 | $125.5 |
| BGS 10 | $163 |
| CGC 10 | $75 |
| SGC 10 | $75 |
Market context: ungraded price +5.0% over 30 days. -4.7% over 90 days. PSA 10 premium: 28.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-dragon-storm/pokemon-japanese-dragon-storm-wooper-18