SV01: Scarlet & Violet Base Set Gardevoir ex #86: PSA 9 vs PSA 10

On SV01: Scarlet & Violet Base Set Gardevoir ex #86, the PSA 10 premium is one of the widest gaps in vintage WOTC: PSA 10 sells for 10.6x a PSA 9, a $130 delta. Based on the most recent PSA 10 sale of $175.85 on Apr 12, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

PSA 10

$143.38

Last sale $175.85 on Apr 12, 2026 UTC

PSA 9

$13.50

Last sale $13.50 on Apr 26, 2026 UTC

PSA 8

$12.00

Last sale $12.00 on Apr 1, 2026 UTC

The Spread

The PSA 9 to PSA 10 spread on Gardevoir ex #86 SV01: Scarlet & Violet Base Set.

$130

Dollar gap, PSA 9 to PSA 10

10.6x

PSA 10 sells for 10.6x 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

SV01: Scarlet & Violet Base Set #86 Gardevoir ex released in 2023 sits in the vintage WOTC tier where gem-mint premiums above $130 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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