PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.68 |
| PSA 9 | $10.65 |
| PSA 10 | $79.95 |
| BGS 10 | $104 |
| CGC 10 | $49.99 |
| SGC 10 | $48 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-thunder-knuckle/pokemon-japanese-thunder-knuckle-electrode-18