PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $10 |
| PSA 9 | $39.45 |
| PSA 10 | $512.65 |
| BGS 10 | $666 |
| CGC 10 | $119.49 |
| SGC 10 | $308 |
Market context: ungraded price -25.4% over 30 days. -9.7% over 90 days. PSA 10 premium: 51.3× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-psyduck-cosmos-holo-7