PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $328.36 |
| PSA 7 | $330 |
| PSA 8 | $335.74 |
| PSA 9 | $500 |
| PSA 10 | $1841 |
| BGS 10 | $3357.66 |
| CGC 10 | $1088.72 |
| SGC 10 | $462.5 |
TCGplayer market price: $347.85 (as of 2026-10-20)
Market context: ungraded price +11.1% over 30 days. +9.5% over 90 days. PSA 10 premium: 5.6× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-mewtwo-mew-gx-SM191