PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5.23 |
| PSA 7 | $6 |
| PSA 8 | $6.89 |
| PSA 9 | $29.28 |
| PSA 10 | $270.2 |
| BGS 10 | $351 |
| CGC 10 | $15.5 |
| SGC 10 | $162 |
TCGplayer market price: $6.33 (as of 2026-10-20)
Market context: ungraded price +4.8% over 30 days. +14.2% over 90 days. PSA 10 premium: 51.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-aquapolis/pokemon-aquapolis-undersea-ruins-138