PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $8.95 |
| PSA 7 | $24.75 |
| PSA 8 | $46.96 |
| PSA 9 | $73.91 |
| PSA 10 | $215.19 |
| BGS 10 | $280 |
| CGC 10 | $199 |
| SGC 10 | $129 |
TCGplayer market price: $19.13 (as of 2026-10-20)
Market context: ungraded price -0.2% over 30 days. +24.7% over 90 days. PSA 10 premium: 24.0× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-secret-wonders/pokemon-secret-wonders-gastrodon-east-sea-8