PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $39.08 |
| PSA 7 | $11.68 |
| PSA 8 | $37 |
| PSA 9 | $57.6 |
| PSA 10 | $331.56 |
| BGS 10 | $431 |
| CGC 10 | $91.36 |
| SGC 10 | $199 |
Market context: ungraded price +11.7% over 30 days. +17.6% over 90 days. PSA 10 premium: 8.5× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-grookey-on-the-ball-3