PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.12 |
| PSA 7 | $8.25 |
| PSA 8 | $10.45 |
| PSA 9 | $18.25 |
| PSA 10 | $142.03 |
| BGS 10 | $185 |
| CGC 10 | $41 |
| SGC 10 | $85 |
TCGplayer market price: $7.32 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-prismatic-evolutions/pokemon-prismatic-evolutions-slowpoke-master-ball-18