PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $26.12 |
| PSA 7 | $34 |
| PSA 8 | $42.93 |
| PSA 9 | $80 |
| PSA 10 | $988.2 |
| BGS 10 | $1285 |
| CGC 10 | $976 |
| SGC 10 | $593 |
Market context: ungraded price +43.1% over 30 days. +37.9% over 90 days. PSA 10 premium: 37.8× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-porygon-blue-back-137