SWSH07: Evolving Skies Dracozolt V #178: PSA 9 vs PSA 10

SWSH07: Evolving Skies Dracozolt V #178 shows a wide gem-mint premium between PSA 9 and PSA 10: a $32 dollar gap, with the gem mint multiplier at 3.3x. Based on a recent PSA 10 sale of $40.00 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

$45.00

Last sale $40.00 on May 29, 2026 UTC

PSA 9

$13.44

Last sale $24.99 on Sep 20, 2025 UTC

PSA 8

$12.36

Last sale $12.36 on Sep 27, 2025 UTC

The Spread

The PSA 9 to PSA 10 spread on Dracozolt V #178 SWSH07: Evolving Skies.

$32

Dollar gap, PSA 9 to PSA 10

3.3x

PSA 10 sells for 3.3x 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

SWSH07: Evolving Skies #178 Dracozolt V released in 2021 sits in the vintage WOTC tier where gem-mint premiums above $32 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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