PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $34 |
| PSA 7 | $67.5 |
| PSA 8 | $130 |
| PSA 9 | $208.75 |
| PSA 10 | $1000 |
| BGS 10 | $1300 |
| CGC 10 | $199 |
| SGC 10 | $600 |
TCGplayer market price: $49.2 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-power-keepers/pokemon-power-keepers-walrein-ex-99