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SWSH09: Brilliant Stars Shaymin VSTAR 14/172: PSA 9 vs PSA 10

On SWSH09: Brilliant Stars Shaymin VSTAR 14/172, PSA 10 sells for 2.2x a PSA 9, a $20 delta, which is a meaningful PSA 10 premium. Based on the last tracked PSA 10 sale of $37.99 on Mar 26, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

SWSH09: Brilliant Stars Shaymin VSTAR 14/172 Holo
PSA 10
$37.99
Last sale $37.99 on
PSA 9
$17.49
Last sale $20.00 on
PSA 8
$7.60
Last sale $7.60 on

The Spread

The PSA 9 to PSA 10 spread on Shaymin VSTAR 14/172 (SWSH09: Brilliant Stars).

$20
Dollar gap, PSA 9 to PSA 10
2.2x
PSA 10 sells for 2.2x 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

SWSH09: Brilliant Stars 14/172 Shaymin VSTAR Holo is a modern-era release from 2022. The gap between its PSA 9 and PSA 10 prices is $20.

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