SV01: Scarlet & Violet Base Set Koraidon ex 254/198: PSA 9 vs PSA 10
On SV01: Scarlet & Violet Base Set Koraidon ex 254/198, PSA 10 sells for 7.4x a PSA 9, a $77 delta, which is an unusually wide gem-mint premium. Based on the most recent PSA 10 sale of $80.00 on May 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
$88.57
Last sale $80.00 on
PSA 9
$12.00
Last sale $12.00 on
PSA 8
$10.40
Last sale $10.40 on
The Spread
The PSA 9 to PSA 10 spread on Koraidon ex 254/198 (SV01: Scarlet & Violet Base Set).
$77
Dollar gap, PSA 9 to PSA 10
7.4x
PSA 10 sells for 7.4x 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
SV01: Scarlet & Violet Base Set 254/198 Koraidon ex is a modern-era release from 2023. The gap between its PSA 9 and PSA 10 prices is $77.
More Koraidon Comparisons
- Koraidon ex 247/198 PSA 9 vs PSA 10 - SV01: Scarlet & Violet Base Set
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- Koraidon ex 231/198 PSA 9 vs PSA 10 - SV01: Scarlet & Violet Base Set
- Koraidon ex 125/198 PSA 9 vs PSA 10 - SV01: Scarlet & Violet Base Set
- Koraidon ex 124/197 PSA 9 vs PSA 10 - SV03: Obsidian Flames
Other SV01: Scarlet & Violet Base Set Heavy Hitters
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