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PSA 10: Median of 2 sales, last 45 days · newest Oct 19, 2026 · checked Oct 26, 2026
PSA 9: Median of 5 PSA 9 sales in the last 90 days, latest 2026-10-16. Grade 9 guide (all graders): $67.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Jolteon GX (Promo #SM173) at $15.72 market price (TCGplayer market). Its Delta multiple is 40.7x.
A PSA 10 Jolteon GX (Promo #SM173) is currently shown at $640, the median of 2 PSA 10 sales in the last 45 days (newest Oct 19, 2026).
GemDelta records a 22.9% gem rate for Jolteon GX (Promo #SM173), with 147 PSA 10 copies out of 641 total PSA grades and a 40.7x Delta. That describes the grading profile; it is not financial advice.