SV: Prismatic Evolutions Budew 4/131: PSA 9 vs PSA 10
SV: Prismatic Evolutions Budew 4/131 shows a meaningful PSA 10 premium between PSA 9 and PSA 10: a $26 dollar gap, with the gem mint multiplier at 2.7x. Based on the most recent PSA 10 sale of $31.00 on May 19, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$40.79
Last sale $31.00 on
PSA 9
$15.10
Last sale $12.50 on
PSA 8
—
Limited recent sales tracked. Pull eBay sold comps before acting.
The Spread
The PSA 9 to PSA 10 spread on Budew 4/131 (SV: Prismatic Evolutions).
$26
Dollar gap, PSA 9 to PSA 10
2.7x
PSA 10 sells for 2.7x 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
SV: Prismatic Evolutions 4/131 Budew is a modern-era release from 2025. The gap between its PSA 9 and PSA 10 prices is $26.
Other SV: Prismatic Evolutions Heavy Hitters
Track every grade tier. Spot every gap.
Real PSA prices across every grade tier. Free during beta.
Get Free Beta AccessFounding Member Cohort · Limited to the First 100 Members.