PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.5 |
| PSA 9 | $17.97 |
| PSA 10 | $43.63 |
| BGS 10 | $57 |
| CGC 10 | $26 |
| SGC 10 | $26 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-world-championships-2017/pokemon-world-championships-2017-decidueye-gx-12