PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.89 |
| PSA 8 | $15.5 |
| PSA 9 | $23.62 |
| PSA 10 | $78.36 |
| BGS 10 | $102 |
| CGC 10 | $11.5 |
| SGC 10 | $47 |
TCGplayer market price: $0.94 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-crystal-guardians/pokemon-crystal-guardians-grumpig-20