Hidden Fates Onix-GX 36/68: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on Hidden Fates Onix-GX 36/68 is a wide gem-mint premium: $44, with PSA 10 copies trading at 3.3x a PSA 9. Based on the most recent PSA 10 sale of $56.39 on May 26, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$62.91
Last sale $56.39 on
PSA 9
$19.25
Last sale $25.00 on
PSA 8
$14.50
Last sale $14.50 on
The Spread
The PSA 9 to PSA 10 spread on Onix-GX 36/68 (Hidden Fates).
$44
Dollar gap, PSA 9 to PSA 10
3.3x
PSA 10 sells for 3.3x a PSA 9
Three-Outcome EV Calculator
15%
70%
15%
Defaults are conservative starting points. Adjust based on the specific slab. A borderline 9 with strong centering plays differently than a 9 with edge wear.
PSA 10 outcome (sale price minus resub minus acquisition)
$0
PSA 9 outcome (regrade, no upgrade)
$0
PSA 8 outcome (downgrade, slower sell, tied capital)
$0
Expected Value
$0
Math favors holding the 9
Hidden Fates 36/68 Onix-GX Holo is a modern-era release from 2019. The gap between its PSA 9 and PSA 10 prices is $44.
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