PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.98 |
| PSA 9 | $25.6 |
| PSA 10 | $30.5 |
| BGS 10 | $40 |
| CGC 10 | $18 |
| SGC 10 | $18 |
TCGplayer market price: $3.5 (as of 2026-08-29)
Market context: ungraded price -1.0% over 30 days. -3.6% over 90 days. PSA 10 premium: 4.4× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-blue-sky-stream/pokemon-japanese-blue-sky-stream-schoolboy-85