PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.99 |
| PSA 8 | $19.5 |
| PSA 9 | $23.62 |
| PSA 10 | $76.48 |
| BGS 10 | $99 |
| CGC 10 | $11.5 |
| SGC 10 | $46 |
TCGplayer market price: $0.9 (as of 2026-10-20)
Market context: ungraded price +14.4% over 30 days. +17.8% over 90 days. PSA 10 premium: 38.4× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-crystal-guardians/pokemon-crystal-guardians-grumpig-20