SV01: Scarlet & Violet Base Set Gyarados ex 45/198: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SV01: Scarlet & Violet Base Set Gyarados ex 45/198 is a meaningful PSA 10 premium: $38, with PSA 10 copies trading at 2.9x a PSA 9. Based on the most recent PSA 10 sale of $57.66 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
$58.83
Last sale $57.66 on
PSA 9
$20.50
Last sale $21.50 on
PSA 8
$19.50
Last sale $19.50 on
The Spread
The PSA 9 to PSA 10 spread on Gyarados ex 45/198 (SV01: Scarlet & Violet Base Set).
$38
Dollar gap, PSA 9 to PSA 10
2.9x
PSA 10 sells for 2.9x 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 SV01: Scarlet & Violet Base Set picture: a modern-era card carrying a $38 gap between PSA 9 and PSA 10, a 2.9x multiple on the PSA 9 price.
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