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Base Set 2 Magneton 9/130: PSA 9 vs PSA 10

The PSA 10 to PSA 9 spread on Base Set 2 Magneton 9/130 is an unusually wide gem-mint premium: $2,353, with PSA 10 copies trading at 17.1x a PSA 9. Based on the last tracked PSA 10 sale of $2,499.99 on Jun 10, 2025, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.

Base Set 2 Magneton 9/130 Holo
PSA 10
$2,499.99
Last sale $2,499.99 on
PSA 9
$146.50
Last sale $146.50 on
PSA 8
$36.13
Last sale $34.00 on

The Spread

The PSA 9 to PSA 10 spread on Magneton 9/130 (Base Set 2).

$2,353
Dollar gap, PSA 9 to PSA 10
17.1x
PSA 10 sells for 17.1x 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

Where this card lands in the broader Base Set 2 picture: a WOTC-era holo carrying a $2,353 gap between PSA 9 and PSA 10, a 17.1x multiple on the PSA 9 price.

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