PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $17.49 |
| PSA 7 | $48 |
| PSA 8 | $59.62 |
| PSA 9 | $360.99 |
| PSA 10 | $433 |
| BGS 10 | $563 |
| CGC 10 | $260 |
| SGC 10 | $260 |
TCGplayer market price: $18.26 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-mewtwo-XY100