PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5.49 |
| PSA 9 | $25 |
| PSA 10 | $86.14 |
| BGS 10 | $112 |
| CGC 10 | $52 |
| SGC 10 | $52 |
Market context: ungraded price -22.5% over 30 days. +37.9% over 90 days. PSA 10 premium: 15.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-clash-at-the-summit/pokemon-japanese-clash-at-the-summit-grumpig-39