PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $0.56 |
| PSA 9 | $12.24 |
| PSA 10 | $34.05 |
| BGS 10 | $44 |
| CGC 10 | $20 |
| SGC 10 | $20 |
TCGplayer market price: $0.47 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-steam-siege/pokemon-steam-siege-gastrodon-29