SV08: Surging Sparks Spheal 199/191: PSA 9 vs PSA 10
SV08: Surging Sparks Spheal 199/191 shows an unusually wide gem-mint premium between PSA 9 and PSA 10: a $91 dollar gap, with the gem mint multiplier at 5.8x. Based on the most recent PSA 10 sale of $119.99 on May 30, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$110.38
Last sale $119.99 on
PSA 9
$18.96
Last sale $15.99 on
PSA 8
$12.50
Last sale $14.50 on
The Spread
The PSA 9 to PSA 10 spread on Spheal 199/191 (SV08: Surging Sparks).
$91
Dollar gap, PSA 9 to PSA 10
5.8x
PSA 10 sells for 5.8x 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
Where this card lands in the broader SV08: Surging Sparks picture: a modern-era card carrying a $91 gap between PSA 9 and PSA 10, a 5.8x multiple on the PSA 9 price.
Other SV08: Surging Sparks Heavy Hitters
Track every grade tier. Spot every gap.
Real PSA prices across every grade tier. Free during beta.
Get Free Beta AccessFounding Member Cohort · Limited to the First 100 Members.