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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Sylveon (Cosmic Eclipse #155) at $5.80 market price (TCGplayer market). Its Delta multiple is 15.7x.
A PSA 10 Sylveon (Cosmic Eclipse #155) is currently shown at $78.50. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 33.9% gem rate for Sylveon (Cosmic Eclipse #155), with 21 PSA 10 copies out of 62 total PSA grades and a 15.7x Delta. That describes the grading profile; it is not financial advice.