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 hammer prices from Fanatics Collect weekly and premier auctions, 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.