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Hidden Fates Arbok #27: PSA 9 vs PSA 10

The PSA 10 to PSA 9 spread on Hidden Fates Arbok #27 is a modest premium: $49, with PSA 10 copies trading at 1.9x a PSA 9. Based on the most recent PSA 10 sale of $105.00 on Apr 9, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

Hidden Fates Arbok #27
PSA 10
$105.00
Last sale $105.00 on
PSA 9
$56.00
Last sale $56.00 on
PSA 8
$11.30
Last sale $11.30 on

The Spread

The PSA 9 to PSA 10 spread on Arbok #27 Hidden Fates.

$49
Dollar gap, PSA 9 to PSA 10
1.9x
PSA 10 sells for 1.9x 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

Where this card lands in the broader Hidden Fates picture: a non-holo with a $49 gap between PSA 9 and PSA 10. The PSA 9 to PSA 10 jump on WOTC-era cards reflects population scarcity at the top grade, not raw print run.

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