PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $7.43 |
| PSA 7 | $21.19 |
| PSA 8 | $36 |
| PSA 9 | $40 |
| PSA 10 | $700 |
| BGS 10 | $910 |
| CGC 10 | $57.67 |
| SGC 10 | $420 |
TCGplayer market price: $8.28 (as of 2026-10-20)
Market context: ungraded price +6.1% over 30 days. +4.5% over 90 days. PSA 10 premium: 94.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-gym-heroes/pokemon-gym-heroes-brock-s-onix-1st-edition-69