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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Metagross EX (Promo #XY34) at $30.66 market price (TCGplayer market). Its Delta multiple is 11.3x.
A PSA 10 Metagross EX (Promo #XY34) is currently shown at $150. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.