PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $21.89 |
| PSA 8 | $11.5 |
| PSA 9 | $79.45 |
| PSA 10 | $427.72 |
| BGS 10 | $556 |
| CGC 10 | $61.82 |
| SGC 10 | $257 |
Market context: ungraded price +9.5% over 30 days. +9.5% over 90 days. PSA 10 premium: 19.5× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-tidal-storm/pokemon-japanese-tidal-storm-swampert-1st-edition-15