SV04: Paradox Rift Xatu #72: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SV04: Paradox Rift Xatu #72 is one of the widest gaps in vintage WOTC: $337, with PSA 10 copies trading at 46x a PSA 9. Based on the most recent PSA 10 sale of $344.74 on Mar 22, 2026, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.
PSA 10
$344.74
Last sale $344.74 on
PSA 9
$7.50
Last sale $13.50 on
PSA 8
—
Limited recent sales tracked. Pull eBay sold comps before acting.
The Spread
The PSA 9 to PSA 10 spread on Xatu #72 SV04: Paradox Rift.
$337
Dollar gap, PSA 9 to PSA 10
46x
PSA 10 sells for 46x 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
SV04: Paradox Rift #72 Xatu released in 2023 sits in the vintage WOTC tier where gem-mint premiums above $337 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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