PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $9.17 |
| PSA 8 | $14 |
| PSA 9 | $22.58 |
| PSA 10 | $149 |
| BGS 10 | $194 |
| CGC 10 | $89 |
| SGC 10 | $89 |
TCGplayer market price: $4.5 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-ex-battle-boost/pokemon-japanese-ex-battle-boost-gyarados-1st-edition-23