SWSH07: Evolving Skies Umbreon V #189: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SWSH07: Evolving Skies Umbreon V #189 is a meaningful PSA 10 premium: $725, with PSA 10 copies trading at 2.9x a PSA 9. Based on a recent PSA 10 sale of $930.00 on May 30, 2026, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.
PSA 10
$1,113.80
Last sale $930.00 on
PSA 9
$388.34
Last sale $419.99 on
PSA 8
$335.50
Last sale $299.99 on
The Spread
The PSA 9 to PSA 10 spread on Umbreon V #189 SWSH07: Evolving Skies.
$725
Dollar gap, PSA 9 to PSA 10
2.9x
PSA 10 sells for 2.9x 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 SWSH07: Evolving Skies picture: a non-holo with a $725 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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