SV03: Obsidian Flames Koraidon ex 124/197: PSA 9 vs PSA 10
SV03: Obsidian Flames Koraidon ex 124/197 shows a modest premium between PSA 9 and PSA 10: a $7 dollar gap, with the gem mint multiplier at 1.4x. Based on the last tracked PSA 10 sale of $23.50 on Apr 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
$23.50
Last sale $23.50 on
PSA 9
$16.25
Last sale $15.00 on
PSA 8
$6.87
Last sale $5.50 on
The Spread
The PSA 9 to PSA 10 spread on Koraidon ex 124/197 (SV03: Obsidian Flames).
$7
Dollar gap, PSA 9 to PSA 10
1.4x
PSA 10 sells for 1.4x 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
SV03: Obsidian Flames 124/197 Koraidon ex is a modern-era release from 2023. The gap between its PSA 9 and PSA 10 prices is $7.
More Koraidon Comparisons
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- Koraidon ex 125/198 PSA 9 vs PSA 10 - SV01: Scarlet & Violet Base Set
Other SV03: Obsidian Flames Heavy Hitters
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