PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.55 |
| PSA 9 | $18.07 |
| PSA 10 | $51.54 |
| BGS 10 | $67 |
| CGC 10 | $31 |
| SGC 10 | $31 |
TCGplayer market price: $4.66 (as of 2026-08-29)
Market context: ungraded price -14.7% over 30 days. -14.7% over 90 days. PSA 10 premium: 20.2× 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