PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.39 |
| PSA 7 | $11.62 |
| PSA 8 | $17.83 |
| PSA 9 | $34.39 |
| PSA 10 | $215.75 |
| BGS 10 | $280 |
| CGC 10 | $36.87 |
| SGC 10 | $11.5 |
TCGplayer market price: $1.26 (as of 2026-10-20)
Market context: ungraded price +29.9% over 30 days. +61.5% over 90 days. PSA 10 premium: 90.3× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-gastly-50