SV: Prismatic Evolutions Regigigas 86/131: PSA 9 vs PSA 10
On SV: Prismatic Evolutions Regigigas 86/131, PSA 10 sells for 4.8x a PSA 9, a $44 delta, which is a wide gem-mint premium. Based on the last tracked PSA 10 sale of $54.99 on Feb 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
$54.99
Last sale $54.99 on
PSA 9
$11.40
Last sale $11.40 on
PSA 8
$10.00
Last sale $10.00 on
The Spread
The PSA 9 to PSA 10 spread on Regigigas 86/131 (SV: Prismatic Evolutions).
$44
Dollar gap, PSA 9 to PSA 10
4.8x
PSA 10 sells for 4.8x 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
SV: Prismatic Evolutions 86/131 Regigigas is a modern-era release from 2025. The gap between its PSA 9 and PSA 10 prices is $44.
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