SWSH: Crown Zenith Radiant Charizard #20: PSA 9 vs PSA 10
On SWSH: Crown Zenith Radiant Charizard #20, the PSA 10 premium is a wide gem-mint premium: PSA 10 sells for 4.5x a PSA 9, a $113 delta. Based on a recent PSA 10 sale of $154.75 on May 30, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$145.47
Last sale $154.75 on
PSA 9
$32.45
Last sale $34.75 on
PSA 8
$24.25
Last sale $23.50 on
The Spread
The PSA 9 to PSA 10 spread on Radiant Charizard #20 SWSH: Crown Zenith.
$113
Dollar gap, PSA 9 to PSA 10
4.5x
PSA 10 sells for 4.5x 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
SWSH: Crown Zenith #20 Radiant Charizard released in 2023 sits in the vintage WOTC tier where gem-mint premiums above $113 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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