SV08: Surging Sparks Night Stretcher 251/191: PSA 9 vs PSA 10
On SV08: Surging Sparks Night Stretcher 251/191, PSA 10 sells for 1.3x a PSA 9, a $5 delta, which is a modest premium. Based on the last tracked PSA 10 sale of $20.51 on May 5, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$20.51
Last sale $20.51 on
PSA 9
$15.33
Last sale $16.99 on
PSA 8
$17.79
Last sale $17.79 on
The Spread
The PSA 9 to PSA 10 spread on Night Stretcher 251/191 (SV08: Surging Sparks).
$5
Dollar gap, PSA 9 to PSA 10
1.3x
PSA 10 sells for 1.3x 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 $5 gap between PSA 9 and PSA 10, a 1.3x multiple on the PSA 9 price.
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