PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5.83 |
| PSA 7 | $19.99 |
| PSA 8 | $25.55 |
| PSA 9 | $33.75 |
| PSA 10 | $126.23 |
| BGS 10 | $164 |
| CGC 10 | $76 |
| SGC 10 | $76 |
Market context: ungraded price +112.0% over 30 days. +94.3% over 90 days. PSA 10 premium: 21.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-gastly-1999-2000-50