PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5.42 |
| PSA 8 | $5.5 |
| PSA 9 | $46 |
| PSA 10 | $118.5 |
| BGS 10 | $154 |
| CGC 10 | $71 |
| SGC 10 | $71 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-family/pokemon-japanese-family-gyarados-gx-15