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Base Set Vulpix 68/102: PSA 9 vs PSA 10

On Base Set Vulpix 68/102, PSA 10 sells for 3.3x a PSA 9, a $74 delta, which is a wide gem-mint premium. Based on the most recent PSA 10 sale of $103.50 on May 31, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

Base Set Vulpix 68/102
PSA 10
$105.83
Last sale $103.50 on
PSA 9
$32.21
Last sale $35.00 on
PSA 8
$30.65
Last sale $34.30 on

The Spread

The PSA 9 to PSA 10 spread on Vulpix 68/102 (Base Set).

$74
Dollar gap, PSA 9 to PSA 10
3.3x
PSA 10 sells for 3.3x 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

Base Set 68/102 Vulpix is a WOTC-era release from 1999. The gap between its PSA 9 and PSA 10 prices is $74.

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