PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $10.82 |
| PSA 9 | $21.99 |
| PSA 10 | $88.66 |
| BGS 10 | $115 |
| CGC 10 | $39.99 |
| SGC 10 | $53 |
TCGplayer market price: $9.31 (as of 2026-08-29)
Market context: ungraded price -10.0% over 30 days. +22.4% over 90 days. PSA 10 premium: 8.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-gx-battle-boost/pokemon-japanese-gx-battle-boost-mewtwo-gx-36