SWSH07: Evolving Skies Trevenant VMAX 14/203: PSA 9 vs PSA 10
On SWSH07: Evolving Skies Trevenant VMAX 14/203, PSA 10 sells for 6.6x a PSA 9, a $44 delta, which is an unusually wide gem-mint premium. Based on the last tracked PSA 10 sale of $41.99 on May 12, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$52.50
Last sale $41.99 on
PSA 9
$8.00
Last sale $8.00 on
PSA 8
$12.50
Last sale $12.50 on
The Spread
The PSA 9 to PSA 10 spread on Trevenant VMAX 14/203 (SWSH07: Evolving Skies).
$44
Dollar gap, PSA 9 to PSA 10
6.6x
PSA 10 sells for 6.6x 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 14/203 Trevenant VMAX Holo is a modern-era release from 2021. The gap between its PSA 9 and PSA 10 prices is $44.
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