PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $17.99 |
| PSA 7 | $24.56 |
| PSA 8 | $29 |
| PSA 9 | $41 |
| PSA 10 | $287.58 |
| BGS 10 | $374 |
| CGC 10 | $74 |
| SGC 10 | $173 |
TCGplayer market price: $24.25 (as of 2026-10-20)
Market context: ungraded price +5.5% over 30 days. +12.5% over 90 days. PSA 10 premium: 16.0× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-steam-siege/pokemon-steam-siege-m-gardevoir-ex-79