PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.98 |
| PSA 8 | $33.34 |
| PSA 9 | $47.61 |
| PSA 10 | $109.08 |
| BGS 10 | $142 |
| CGC 10 | $65 |
| SGC 10 | $65 |
Market context: ungraded price +32.7% over 30 days. +34.9% over 90 days. PSA 10 premium: 27.4× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-poliwhirl-1999-2000-38