PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.57 |
| PSA 8 | $26.02 |
| PSA 9 | $48.66 |
| PSA 10 | $158.46 |
| BGS 10 | $206 |
| CGC 10 | $95 |
| SGC 10 | $95 |
Market context: ungraded price -2.3% over 30 days. +10.8% over 90 days. PSA 10 premium: 61.7× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-onix-1999-2000-56