PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $8.84 |
| PSA 7 | $9.76 |
| PSA 8 | $44.71 |
| PSA 9 | $55.36 |
| PSA 10 | $207.28 |
| BGS 10 | $269 |
| CGC 10 | $124 |
| SGC 10 | $124 |
TCGplayer market price: $13.23 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-secret-wonders/pokemon-secret-wonders-gastrodon-east-sea-8