PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $102.56 |
| PSA 7 | $38.52 |
| PSA 8 | $93.45 |
| PSA 9 | $117.7 |
| PSA 10 | $4499.99 |
| BGS 10 | $5850 |
| CGC 10 | $2700 |
| SGC 10 | $2700 |
Market context: ungraded price +28.9% over 30 days. +48.8% over 90 days. PSA 10 premium: 43.9× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-ex-ruby-%26-sapphire-expansion-pack/pokemon-japanese-ex-ruby-%26-sapphire-expansion-pack-mewtwo-ex-26