PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.21 |
| PSA 9 | $17.22 |
| PSA 10 | $43.78 |
| BGS 10 | $57 |
| CGC 10 | $26 |
| SGC 10 | $26 |
TCGplayer market price: $4.49 (as of 2026-10-20)
Market context: ungraded price -14.0% over 30 days. -26.1% over 90 days. PSA 10 premium: 19.8× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-gx-battle-boost/pokemon-japanese-gx-battle-boost-tapu-koko-gx-32