SV01: Scarlet & Violet Base Set Magnezone ex #65: PSA 9 vs PSA 10

On SV01: Scarlet & Violet Base Set Magnezone ex #65, the PSA 10 premium is a meaningful PSA 10 premium: PSA 10 sells for 2.2x a PSA 9, a $12 delta. Based on the last tracked PSA 10 sale of $39.00 on Oct 19, 2025, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

PSA 10

$21.10

Last sale $39.00 on Oct 19, 2025 UTC

PSA 9

$9.43

Last sale $10.50 on Jan 9, 2026 UTC

PSA 8

$4.25

Last sale $4.25 on Jul 31, 2024 UTC

The Spread

The PSA 9 to PSA 10 spread on Magnezone ex #65 SV01: Scarlet & Violet Base Set.

$12

Dollar gap, PSA 9 to PSA 10

2.2x

PSA 10 sells for 2.2x a PSA 9

Three-Outcome EV Calculator

PSA 9 acquisition cost ($)

PSA resub cost ($)

Probability of each outcome (must total 100%)

PSA 10 (upgrade) 15%

PSA 9 (regrade) 70%

PSA 8 (downgrade) 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

Math favors holding the 9

Where this card lands in the broader SV01: Scarlet & Violet Base Set picture: a non-holo with a $12 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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