SV: Scarlet & Violet 151 Mew ex 151/165: PSA 9 vs PSA 10
SV: Scarlet & Violet 151 Mew ex 151/165 shows an unusually wide gem-mint premium between PSA 9 and PSA 10: a $125 dollar gap, with the gem mint multiplier at 5.2x. Based on the most recent PSA 10 sale of $170.00 on May 17, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$153.99
Last sale $170.00 on
PSA 9
$29.38
Last sale $30.00 on
PSA 8
$37.98
Last sale $75.00 on
The Spread
The PSA 9 to PSA 10 spread on Mew ex 151/165 (SV: Scarlet & Violet 151).
$125
Dollar gap, PSA 9 to PSA 10
5.2x
PSA 10 sells for 5.2x 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 SV: Scarlet & Violet 151 picture: a modern-era card carrying a $125 gap between PSA 9 and PSA 10, a 5.2x multiple on the PSA 9 price.
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