PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $15.55 |
| PSA 7 | $23.92 |
| PSA 8 | $26.35 |
| PSA 9 | $60.46 |
| PSA 10 | $405 |
| BGS 10 | $527 |
| CGC 10 | $58.89 |
| SGC 10 | $243 |
TCGplayer market price: $15.29 (as of 2026-08-29)
Market context: ungraded price -0.9% over 30 days. +3.7% over 90 days. PSA 10 premium: 26.0× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-gym-heroes/pokemon-gym-heroes-brock-s-onix-1st-edition-21