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SWSH07: Evolving Skies Raichu #50: PSA 9 vs PSA 10

On SWSH07: Evolving Skies Raichu #50, the PSA 10 premium is one of the widest gaps in vintage WOTC: PSA 10 sells for 13.9x a PSA 9, a $580 delta. Based on a recent PSA 10 sale of $625.00 on May 22, 2026, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.

SWSH07: Evolving Skies Raichu #50 Holo
PSA 10
$625.00
Last sale $625.00 on
PSA 9
$45.00
Last sale $45.00 on
PSA 8
$35.00
Last sale $35.00 on

The Spread

The PSA 9 to PSA 10 spread on Raichu #50 SWSH07: Evolving Skies.

$580
Dollar gap, PSA 9 to PSA 10
13.9x
PSA 10 sells for 13.9x 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

SWSH07: Evolving Skies #50 Raichu Holo released in 2021 sits in the vintage WOTC tier where gem-mint premiums above $580 are common. PSA 10 populations shrink faster than supply on cards of this era, which is why the upgrade arbitrage stays alive.

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