PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.99 |
| PSA 8 | $10.33 |
| PSA 9 | $12.5 |
| PSA 10 | $77.91 |
| BGS 10 | $101 |
| CGC 10 | $39.95 |
| SGC 10 | $47 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-thunder-knuckle/pokemon-japanese-thunder-knuckle-hydreigon-36