PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $7.64 |
| PSA 9 | $19.56 |
| PSA 10 | $123.22 |
| BGS 10 | $160 |
| CGC 10 | $39.99 |
| SGC 10 | $74 |
TCGplayer market price: $10.07 (as of 2026-10-20)
Market context: ungraded price -35.2% over 30 days. -36.4% over 90 days. PSA 10 premium: 16.1× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-gx-battle-boost/pokemon-japanese-gx-battle-boost-mewtwo-gx-36