PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $10.35 |
| PSA 8 | $20.5 |
| PSA 9 | $44.4 |
| PSA 10 | $151.19 |
| BGS 10 | $197 |
| CGC 10 | $39 |
| SGC 10 | $91 |
TCGplayer market price: $7 (as of 2026-10-20)
Market context: ungraded price +12.9% over 30 days. +12.9% over 90 days. PSA 10 premium: 14.6× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-ex-battle-boost/pokemon-japanese-ex-battle-boost-gyarados-1st-edition-23