PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $99.39 |
| PSA 7 | $238.6 |
| PSA 8 | $302.5 |
| PSA 9 | $910.78 |
| PSA 10 | $5978.42 |
| BGS 10 | $7772 |
| CGC 10 | $3587 |
| SGC 10 | $3587 |
TCGplayer market price: $277.22 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-mega-gengar-ex-XY166