SV: Scarlet & Violet 151 Sandshrew #27: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SV: Scarlet & Violet 151 Sandshrew #27 is a wide gem-mint premium: $37, with PSA 10 copies trading at 3.7x a PSA 9. Based on the last tracked PSA 10 sale of $51.00 on Feb 11, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$51.00
Last sale $51.00 on
PSA 9
$13.67
Last sale $9.50 on
PSA 8
$18.95
Last sale $18.95 on
The Spread
The PSA 9 to PSA 10 spread on Sandshrew #27 SV: Scarlet & Violet 151.
$37
Dollar gap, PSA 9 to PSA 10
3.7x
PSA 10 sells for 3.7x 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 $37 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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