SV: Paldean Fates Miraidon ex 243/91: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SV: Paldean Fates Miraidon ex 243/91 is an unusually wide gem-mint premium: $144, with PSA 10 copies trading at 7.7x a PSA 9. Based on the most recent PSA 10 sale of $174.99 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
$165.98
Last sale $174.99 on
PSA 9
$21.59
Last sale $16.01 on
PSA 8
$16.00
Last sale $16.00 on
The Spread
The PSA 9 to PSA 10 spread on Miraidon ex 243/91 (SV: Paldean Fates).
$144
Dollar gap, PSA 9 to PSA 10
7.7x
PSA 10 sells for 7.7x 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: Paldean Fates picture: a modern-era card carrying a $144 gap between PSA 9 and PSA 10, a 7.7x multiple on the PSA 9 price.
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