Decidueye GX

Sun & Moon Black Star Promo

Set: Sun & Moon Black Star PromoNumber: SM37Updated 9/11/2026

Market price

$8.21

TCGPlayer

$8.21

eBay avg

$8.20

Variants

PSA 10

$548

PSA 9

$20

PSA 8

$23

Variant

Price History

In the app

Price movement over time is available in the PokiFrame app.

eBay Sold Prices

5 sales

Raw5 sales · $3.53–$5.30

$8.20

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Graded Prices

3 sales

Average sold prices by grading company. Grades run 1–10 — a 10 (Gem Mint) carries the biggest premium, with PSA, CGC, and BGS the most widely traded grades.

109.598.58

PSA

$548

1 sold

$20

1 sold

$23

1 sold

About Decidueye GX

Decidueye GX is card SM37 from the Sun & Moon Black Star Promo set.

The current TCGPlayer market price is $8.21. A PSA 10 (Gem Mint) copy recently averaged $547.98 — about 66.7× the ungraded price, showing how much professional grading can add to Decidueye GX's value.

PokiFrame aggregates this data from TCGPlayer, CardMarket, and eBay so you can confirm Decidueye GX's value before you buy, sell, or trade.

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Decidueye GX — common questions

How much is Decidueye GX worth?: Decidueye GX from Sun & Moon Black Star Promo has a market price of $8.21 for an ungraded copy, based on current TCGPlayer and eBay sales data. Condition, print variant and grading all move that number.
What is a PSA 10 Decidueye GX worth?: Recent PSA 10 (Gem Mint) sales of Decidueye GX averaged $547.98, about 66.7× the ungraded price. A PSA 9 averaged $20.15.