SWSH07: Evolving Skies Jolteon VMAX #51: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SWSH07: Evolving Skies Jolteon VMAX #51 is a meaningful PSA 10 premium: $43, with PSA 10 copies trading at 2.6x a PSA 9. Based on a recent PSA 10 sale of $75.50 on May 25, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$71.50
Last sale $75.50 on
PSA 9
$28.00
Last sale $27.50 on
PSA 8
$18.50
Last sale $18.50 on
The Spread
The PSA 9 to PSA 10 spread on Jolteon VMAX #51 SWSH07: Evolving Skies.
$43
Dollar gap, PSA 9 to PSA 10
2.6x
PSA 10 sells for 2.6x 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
Where this card lands in the broader SWSH07: Evolving Skies picture: a holo with a $43 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.
More Jolteon Comparisons
Other SWSH07: Evolving Skies Heavy Hitters
Track every grade tier. Spot every gap.
Real PSA prices across every grade tier. Founding member rate $3.99/mo locked forever. First 100 only.
Claim founding member rateFirst 100 only. Founding member rate $3.99/mo locked forever.