PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $110 |
| PSA 8 | $84.03 |
| PSA 9 | $120 |
| PSA 10 | $533.5 |
| BGS 10 | $694 |
| CGC 10 | $100.96 |
| SGC 10 | $320 |
Market context: ungraded price +28.7% over 30 days. +31.8% over 90 days. PSA 10 premium: 4.8× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-miracle-twins/pokemon-japanese-miracle-twins-mewtwo-mew-gx-97