PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $44.95 |
| PSA 7 | $54 |
| PSA 8 | $132.5 |
| PSA 9 | $146 |
| PSA 10 | $655 |
| BGS 10 | $852 |
| CGC 10 | $213.81 |
| SGC 10 | $393 |
Market context: ungraded price +6.8% over 30 days. +13.6% over 90 days. PSA 10 premium: 14.6× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-world-championships-2019/pokemon-world-championships-2019-mewtwo-mew-gx-71