PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5.61 |
| PSA 8 | $12.64 |
| PSA 9 | $17.02 |
| PSA 10 | $203.04 |
| BGS 10 | $264 |
| CGC 10 | $122 |
| SGC 10 | $122 |
Market context: ungraded price -48.0% over 30 days. -31.0% over 90 days. PSA 10 premium: 36.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-ex-battle-boost/pokemon-japanese-ex-battle-boost-mewtwo-ex-45