Decidueye-GX SM Black Star Promos #SM37
Decidueye-GX is a Promo Pokémon card from SM Black Star Promos (#SM37), illustrated by 5ban Graphics. It's a Stage 2 GX Grass-type Pokémon with 240 HP, evolving from Dartrix, weak to Fire ×2. Its current blended market value is $7.67 ungraded, with a PSA 10 worth around $137 — a gem-mint grading premium of roughly 18× the raw value. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.
Prices last updated 2 July 2026.
| Grade | Relative value | Price |
|---|---|---|
| PSA 10 | $137$70–$150 | |
| PSA 9 | $48$29–$50 | |
| PSA 7 | $11$11–$11 |
Price history · raw near-mint
Not enough price history to chart yet.
Recent sold prices
Real completed sale prices from Fanatics Collect — weekly and premier auctions plus marketplace Buy It Now sales, refreshed periodically. Grade read from the listing title.
Should you grade it?
after ~$71.36 grading fee → 17.8× the raw value
| Target grade | Est. value | Grading fee | Net vs raw | Multiple |
|---|---|---|---|---|
| PSA 10 | $136.70 | $71.36 | +$58 | 17.8× |
| PSA 9 | $47.78 | $70.47 | −$30 | 6.2× |
Net = graded value − raw value − grading cost (tier fee + ~$20 round-trip shipping), using PSA fees as of 2026-06-28; the paused PSA Value tier is excluded so this isn't overstated. Real outcome depends on the grade achieved; PSA 10 is best-case.
We'll email you when this card's value crosses your target.
Where to buy
Cross-market prices
26% spreadCurrently 26% cheaper on Cardmarket than TCGplayer. These are independent market prices for the same card — a wide gap can mean a buying opportunity. Informational only, not arbitrage advice.
Market signal
Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.
🇪🇺 Cardmarket price · Europe
21% cheaper than the USCard text
Evolves from Dartrix.
Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
Card details
Other Decidueye-GX cards
There are 4 different Decidueye-GX printings — make sure you're valuing the right one. This is SM Black Star Promos #SM37 (Promo).
More from SM Black Star Promos
Frequently asked questions
How much is Decidueye-GX (SM Black Star Promos #SM37) worth?
As of 2 July 2026, Decidueye-GX from SM Black Star Promos is worth approximately $7.67 ungraded (near-mint), and around $137 in PSA 10 gem mint. Values are blended from real Cardmarket, eBay sold and TCGplayer prices and update daily.
What is the PSA 10 price for Decidueye-GX?
A PSA 10 (gem mint) Decidueye-GX from SM Black Star Promos is worth around $137 — roughly 18× the raw ungraded value of $7.67.
Should I grade my Decidueye-GX?
A PSA 10 sells for about $137 versus $7.67 raw — roughly a 18× uplift. Grading is worth it when that premium comfortably beats the grading fee and the card is clean enough to have a real shot at a 10. See the "Should you grade it?" estimate above for net profit per grade.
Is Decidueye-GX rare?
Decidueye-GX is a Promo card from SM Black Star Promos (card #SM37), illustrated by 5ban Graphics. Its current blended market value is $7.67 ungraded.