SWSH09: Brilliant Stars Galarian Zapdos V #182: PSA 9 vs PSA 10

On SWSH09: Brilliant Stars Galarian Zapdos V #182, the PSA 10 premium is a wide gem-mint premium: PSA 10 sells for 4x a PSA 9, a $60 delta. Based on a recent PSA 10 sale of $90.00 on May 29, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

PSA 10

$79.64

Last sale $90.00 on May 29, 2026 UTC

PSA 9

$19.74

Last sale $23.99 on May 26, 2026 UTC

PSA 8

$18.58

Last sale $23.75 on Mar 10, 2026 UTC

The Spread

The PSA 9 to PSA 10 spread on Galarian Zapdos V #182 SWSH09: Brilliant Stars.

$60

Dollar gap, PSA 9 to PSA 10

PSA 10 sells for 4x a PSA 9

Three-Outcome EV Calculator

PSA 9 acquisition cost ($)

PSA resub cost ($)

Probability of each outcome (must total 100%)

PSA 10 (upgrade) 15%

PSA 9 (regrade) 70%

PSA 8 (downgrade) 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

Math favors holding the 9

SWSH09: Brilliant Stars #182 Galarian Zapdos V released in 2022 sits in the vintage WOTC tier where gem-mint premiums above $60 are common. PSA 10 populations shrink faster than supply on cards of this era, which is why the upgrade arbitrage stays alive.

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