SWSH07: Evolving Skies Volcarona V 170/203: PSA 9 vs PSA 10
On SWSH07: Evolving Skies Volcarona V 170/203, PSA 10 sells for 4.6x a PSA 9, a $62 delta, which is a wide gem-mint premium. Based on the last tracked PSA 10 sale of $79.99 on May 3, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$79.99
Last sale $79.99 on
PSA 9
$17.53
Last sale $5.50 on
PSA 8
$10.52
Last sale $10.52 on
The Spread
The PSA 9 to PSA 10 spread on Volcarona V 170/203 (SWSH07: Evolving Skies).
$62
Dollar gap, PSA 9 to PSA 10
4.6x
PSA 10 sells for 4.6x 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
SWSH07: Evolving Skies 170/203 Volcarona V is a modern-era release from 2021. The gap between its PSA 9 and PSA 10 prices is $62.
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