SLABLYTICS Track Free During Beta

SV08: Surging Sparks Fuecoco 29/191: PSA 9 vs PSA 10

On SV08: Surging Sparks Fuecoco 29/191, PSA 10 sells for 2.2x a PSA 9, an $11 delta, which is a meaningful PSA 10 premium. Based on the last tracked PSA 10 sale of $19.99 on Sep 13, 2025, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

SV08: Surging Sparks Fuecoco 29/191
PSA 10
$19.99
Last sale $19.99 on
PSA 9
$9.00
Last sale $9.00 on
PSA 8
$14.25
Last sale $14.25 on

The Spread

The PSA 9 to PSA 10 spread on Fuecoco 29/191 (SV08: Surging Sparks).

$11
Dollar gap, PSA 9 to PSA 10
2.2x
PSA 10 sells for 2.2x 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

Where this card lands in the broader SV08: Surging Sparks picture: a modern-era card carrying an $11 gap between PSA 9 and PSA 10, a 2.2x multiple on the PSA 9 price.

Track every grade tier. Spot every gap.

Real PSA prices across every grade tier. Free during beta.

Get Free Beta Access
Founding Member Cohort · Limited to the First 100 Members.