SV: Prismatic Evolutions Dusknoir #37: PSA 9 vs PSA 10

SV: Prismatic Evolutions Dusknoir #37 shows one of the widest gaps in vintage WOTC between PSA 9 and PSA 10: a $78 dollar gap, with the gem mint multiplier at 33.3x. Based on the most recent PSA 10 sale of $102.50 on Apr 23, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

PSA 10

$80.25

Last sale $102.50 on Apr 23, 2026 UTC

PSA 9

$2.41

Last sale $2.41 on Nov 9, 2025 UTC

PSA 8

—

Limited recent sales tracked. Pull eBay sold comps before acting.

The Spread

The PSA 9 to PSA 10 spread on Dusknoir #37 SV: Prismatic Evolutions.

$78

Dollar gap, PSA 9 to PSA 10

33.3x

PSA 10 sells for 33.3x 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

Where this card lands in the broader SV: Prismatic Evolutions picture: a non-holo with a $78 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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