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PSA 10: Median of 2 sales, last 45 days · newest Oct 11, 2026 · checked Oct 25, 2026
PSA 9: Median of 6 PSA 9 sales in the last 90 days, latest 2026-10-20. Grade 9 guide (all graders): $70.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Solgaleo GX (Ultra Prism #173) at $62.23 market price (TCGplayer market). Its Delta multiple is 8.52x.
A PSA 10 Solgaleo GX (Ultra Prism #173) is currently shown at $530, the median of 2 PSA 10 sales in the last 45 days (newest Oct 11, 2026).
GemDelta records a 35.9% gem rate for Solgaleo GX (Ultra Prism #173), with 317 PSA 10 copies out of 884 total PSA grades and a 8.52x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 11, 2026 | Pokemon Solgaleo GX Ultra Prism Secret Rare Holo 173/156 PSA 10 (2018) 173/156 | $560.00 |
| Oct 7, 2026 | Pokemon PSA 10 2018 Ultra Prism Solgaleo GX 173/156 Secret Rare Holo PSA 10 173/156 | $500.00 |
| Aug 6, 2026 | 2018 POKEMON SUN & MOON ULTRA PRISM SECRET #173 FULL ART/SOLGALEO GX PSA 10 173/156 | $320.00 |
| Jun 27, 2026 | 2018 POKEMON SUN & MOON ULTRA PRISM SECRET #173 FULL ART / SOLGALEO GX PSA 10 #173 | $251.59 |
| Jun 10, 2026 | 2018 POKEMON SUN & MOON ULTRA PRISM SECRET #173 FULL ART/SOLGALEO GX PSA 10 #173 | $399.00 |
| May 16, 2026 | 2018 POKEMON SUN & MOON ULTRA PRISM SECRET #173 FULL ART/SOLGALEO GX PSA 10 #173 | $300.00 |
| May 5, 2026 | PSA 10 Solgaleo GX 173/156 Gold Secret Rare Ultra Prism 2018 Pokemon GEM MINT #173 | $300.00 |