PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $18.48 |
| PSA 7 | $27.97 |
| PSA 8 | $35 |
| PSA 9 | $50 |
| PSA 10 | $674.5 |
| BGS 10 | $550 |
| CGC 10 | $188.73 |
| SGC 10 | $405 |
TCGplayer market price: $20.29 (as of 2026-10-20)
Market context: ungraded price +5.6% over 30 days. -2.8% over 90 days. PSA 10 premium: 36.5× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-blastoise-gx-SM189