PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $125.97 |
| PSA 7 | $379.74 |
| PSA 8 | $1402.56 |
| PSA 9 | $1999.99 |
| PSA 10 | $11633 |
| BGS 10 | $15123 |
| CGC 10 | $7000 |
| SGC 10 | $6980 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-expansion-pack/pokemon-japanese-expansion-pack-nidoking-no-rarity-34