Decidueye-GX

SM Black Star Promos · #SM37 · Promo

$7.55US · TCGplayer

$5.78EU · Cardmarket

+15%7-day (EU)

-11%30-day (EU)

PromoRarity

#138 of 251Rank in set

Price detail

Market read: flat this week; notably pricier in the US.

TCGplayer (US) (holofoil)

Tier	USD
Low	$4.00
Market	$7.55
Mid	$6.57
High	$114

Cardmarket (EU)

Metric	EUR
Trend	€5.35
Avg 1-day	€4.50
Avg 7-day	€4.66
Avg 30-day	€6.01
Low	€1.50

FAQ

How much is Decidueye-GX (SM Black Star Promos #SM37) worth?

As of our 2026-08-07 data, Decidueye-GX from SM Black Star Promos is worth about $7.55 (TCGplayer US market) and around €5.78 (Cardmarket EU). Prices move constantly — check the live links before buying or selling.

Is Decidueye-GX rare?

Its rarity is listed as Promo and it ranks #138 of 251 by value in SM Black Star Promos. Rarity is the printed classification — it does not by itself guarantee value.

What's the most valuable card in SM Black Star Promos?

By current US market price, it's Champions Festival at $490.

Is Decidueye-GX's price going up or down?

On the Cardmarket (EU) trend it's +15% over 7 days, -11% over 30 days. That's an early momentum signal, not a guarantee — collectible prices are volatile and can reverse quickly.

Where can I check Decidueye-GX's live price?

See the current TCGplayer (US) market price here: Decidueye-GX on TCGplayer ↗.