PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $826.58 |
| PSA 7 | $102.71 |
| PSA 8 | $284.34 |
| PSA 9 | $1190.63 |
| PSA 10 | $1400.05 |
| BGS 10 | $1820 |
| CGC 10 | $840 |
| SGC 10 | $840 |
Market context: ungraded price +26.9% over 30 days. +43.5% over 90 days. PSA 10 premium: 1.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-gr-mewtwo-holo-150