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SV: Prismatic Evolutions Noivern ex #91: PSA 9 vs PSA 10

SV: Prismatic Evolutions Noivern ex #91 shows a wide gem-mint premium between PSA 9 and PSA 10: a $31 dollar gap, with the gem mint multiplier at 3.1x. Based on the most recent PSA 10 sale of $46.00 on Apr 18, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

SV: Prismatic Evolutions Noivern ex #91
PSA 10
$46.00
Last sale $46.00 on
PSA 9
$14.98
Last sale $14.98 on
PSA 8
$13.50
Last sale $13.50 on

The Spread

The PSA 9 to PSA 10 spread on Noivern ex #91 SV: Prismatic Evolutions.

$31
Dollar gap, PSA 9 to PSA 10
3.1x
PSA 10 sells for 3.1x 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 SV: Prismatic Evolutions picture: a non-holo with a $31 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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