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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Groudon EX (Promo #2) at $131 market price (TCGplayer market). Its Delta multiple is 4.25x.
A PSA 10 Groudon EX (Promo #2) is currently shown at $898. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.