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PSA 10: Median of 30 sales, last 45 days · newest Oct 24, 2026 · checked Oct 25, 2026
PSA 9: Median of 27 PSA 9 sales in the last 90 days, latest 2026-10-18. Grade 9 guide (all graders): $34.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Mewtwo GX (Hidden Fates #31) at $7.83 market price (TCGplayer market). Its Delta multiple is 16.0x.
A PSA 10 Mewtwo GX (Hidden Fates #31) is currently shown at $125, the median of 30 PSA 10 sales in the last 45 days (newest Oct 24, 2026).
GemDelta records a 57.2% gem rate for Mewtwo GX (Hidden Fates #31), with 4,482 PSA 10 copies out of 7,839 total PSA grades and a 16.0x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 24, 2026 | Pokemon Hidden Fates Mewtwo GX #31/68 Holo Ultra Rare PSA 10 31/68 | $124.99 |
| Oct 23, 2026 | 2019 POKEMON SUN & MOON HIDDEN FATES #31 MEWTWO GX PSA 10 #31 | $124.51 |
| Oct 23, 2026 | 2019 POKEMON SUN & MOON HIDDEN FATES #31 MEWTWO GX PSA 10 #31 | $125.00 |
| Oct 22, 2026 | POKEMON 2019 Sun Moon Hidden Fates MEWTWO GX #31 PSA 10 Gem Mint RARE | $139.99 |
| Oct 21, 2026 | 2019 POKEMON SUN & MOON HIDDEN FATES #31 MEWTWO GX PSA 10 #31 | $120.00 |
| Oct 21, 2026 | Mewtwo GX 31/68 Pokemon Hidden Fates Sun & Moon 2019 PSA 10 31/68 | $120.01 |
| Oct 21, 2026 | 145 Mewtwo Gx 31/68 Hidden Fates Pokemon PSA 10 31/68 | $120.37 |
| Oct 21, 2026 | Mewtwo Gx 31/68 Hidden Fates Pokemon PSA 10 Gem Mint 31/68 | $135.00 |
| Oct 18, 2026 | Pokemon TCG Hidden Fates Mewtwo GX 31/68 Full Art Holo EN 2019 PSA 10 | $100.05 |
| Oct 18, 2026 | 2019 POKEMON SUN & MOON HIDDEN FATES #31 MEWTWO GX PSA 10 #31 | $134.99 |
| Oct 16, 2026 | Pokemon TCG Mewtwo GX Hidden Fates 31/68 Holo Ultra Rare PSA 10 31/68 | $115.00 |
| Oct 16, 2026 | Pokemon Hidden Fates Mewtwo GX 31 PSA 10 #31 | $124.00 |
Showing the latest 12 of 30 stored PSA 10 comps.