SV: Scarlet & Violet 151 Muk #89: PSA 9 vs PSA 10
On SV: Scarlet & Violet 151 Muk #89, the PSA 10 premium is one of the widest gaps in vintage WOTC: PSA 10 sells for 10.8x a PSA 9, a $97 delta. Based on a recent PSA 10 sale of $107.44 on May 26, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$107.44
Last sale $107.44 on
PSA 9
$9.98
Last sale $14.46 on
PSA 8
—
Limited recent sales tracked. Pull eBay sold comps before acting.
The Spread
The PSA 9 to PSA 10 spread on Muk #89 SV: Scarlet & Violet 151.
$97
Dollar gap, PSA 9 to PSA 10
10.8x
PSA 10 sells for 10.8x 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 SV: Scarlet & Violet 151 picture: a non-holo with a $97 gap between PSA 9 and PSA 10. The PSA 9 to PSA 10 jump on WOTC-era cards reflects population scarcity at the top grade, not raw print run.
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