
- •Less than a month of price history so far
Prices updated Nov 12, 2026. Raw: TCGplayer Near Mint market price. Graded: recent graded sold prices.
Decidueye GX (SM37) from SM Promos is a Promo. It sells for about $10.43 raw and $3,500.00 in a PSA 10.
It is the 184th most valuable of the 186 SM Promos cards we track, just behind Eevee ($10.50). The set’s most valuable card is Clefairy – 381/SM-P (Dream League) ($500.00). Among the 1,844 Promo cards on PokeInsider, it ranks 1822nd by raw price.
Decidueye GX price today
Raw price change
Grading math
A PSA 10 sells for 335.6x the raw price. A PSA 9 sells for $37.03, 3.6x raw.
Buying a raw copy at $10.43 and paying $39.99 to grade it (PSA Value, for cards valued up to $500), you break even if roughly 0% of your copies come back a PSA 10 (counting the rest at PSA 9 value). Grading fees and gem rates vary; this is a rough guide, not a guarantee.
Run the numbers for Decidueye GX in our grading calculator (your own cost, gem rate, tier and fees).
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