SV: Prismatic Evolutions Groudon #49: PSA 9 vs PSA 10
SV: Prismatic Evolutions Groudon #49 shows a modest premium between PSA 9 and PSA 10: a $10 dollar gap, with the gem mint multiplier at 1.7x. Based on the most recent PSA 10 sale of $25.00 on Mar 27, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$25.00
Last sale $25.00 on
PSA 9
$14.75
Last sale $14.50 on
PSA 8
$10.03
Last sale $10.05 on
The Spread
The PSA 9 to PSA 10 spread on Groudon #49 SV: Prismatic Evolutions.
$10
Dollar gap, PSA 9 to PSA 10
1.7x
PSA 10 sells for 1.7x 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: Prismatic Evolutions picture: a non-holo with a $10 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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