SV08: Surging Sparks Xerneas 88/191: PSA 9 vs PSA 10
SV08: Surging Sparks Xerneas 88/191 shows a meaningful PSA 10 premium between PSA 9 and PSA 10: a $25 dollar gap, with the gem mint multiplier at 2.8x. Based on the last tracked PSA 10 sale of $39.99 on Jul 25, 2025, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$39.99
Last sale $39.99 on
PSA 9
$14.50
Last sale $14.50 on
PSA 8
—
Limited recent sales tracked. Pull eBay sold comps before acting.
The Spread
The PSA 9 to PSA 10 spread on Xerneas 88/191 (SV08: Surging Sparks).
$25
Dollar gap, PSA 9 to PSA 10
2.8x
PSA 10 sells for 2.8x 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 88/191 Xerneas is a modern-era release from 2024. The gap between its PSA 9 and PSA 10 prices is $25.
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