SV: Prismatic Evolutions Leafeon ex 6/131: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SV: Prismatic Evolutions Leafeon ex 6/131 is a wide gem-mint premium: $52, with PSA 10 copies trading at 3.6x a PSA 9. Based on the most recent PSA 10 sale of $91.00 on May 29, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$72.77
Last sale $91.00 on
PSA 9
$20.42
Last sale $24.75 on
PSA 8
$18.05
Last sale $16.30 on
The Spread
The PSA 9 to PSA 10 spread on Leafeon ex 6/131 (SV: Prismatic Evolutions).
$52
Dollar gap, PSA 9 to PSA 10
3.6x
PSA 10 sells for 3.6x 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 6/131 Leafeon ex is a modern-era release from 2025. The gap between its PSA 9 and PSA 10 prices is $52.
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