PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.54 |
| PSA 8 | $16 |
| PSA 10 | $329.75 |
| BGS 10 | $429 |
| CGC 10 | $47.5 |
| SGC 10 | $198 |
Market context: ungraded price -17.2% over 30 days. -29.1% over 90 days. PSA 10 premium: 72.6× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-mega-gengar-ex-73