SV08: Surging Sparks Sylveon ex 86/191: PSA 9 vs PSA 10
On SV08: Surging Sparks Sylveon ex 86/191, PSA 10 sells for 2x a PSA 9, a $20 delta, which is a modest premium. Based on the most recent PSA 10 sale of $37.69 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
$40.21
Last sale $37.69 on
PSA 9
$20.45
Last sale $14.99 on
PSA 8
$11.50
Last sale $15.00 on
The Spread
The PSA 9 to PSA 10 spread on Sylveon ex 86/191 (SV08: Surging Sparks).
$20
Dollar gap, PSA 9 to PSA 10
2x
PSA 10 sells for 2x 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
SV08: Surging Sparks 86/191 Sylveon ex is a modern-era release from 2024. The gap between its PSA 9 and PSA 10 prices is $20.
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