SV: Scarlet & Violet 151 Magikarp #129: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SV: Scarlet & Violet 151 Magikarp #129 is one of the widest gaps in vintage WOTC: $211, with PSA 10 copies trading at 16.8x a PSA 9. Based on the last tracked PSA 10 sale of $224.50 on Dec 26, 2025, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.
PSA 10
$224.50
Last sale $224.50 on
PSA 9
$13.40
Last sale $13.40 on
PSA 8
—
Limited recent sales tracked. Pull eBay sold comps before acting.
The Spread
The PSA 9 to PSA 10 spread on Magikarp #129 SV: Scarlet & Violet 151.
$211
Dollar gap, PSA 9 to PSA 10
16.8x
PSA 10 sells for 16.8x 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: Scarlet & Violet 151 picture: a non-holo with a $211 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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