Base Set Electabuzz 20/102: PSA 9 vs PSA 10
On Base Set Electabuzz 20/102, PSA 10 sells for 5.8x a PSA 9, a $207 delta, which is an unusually wide gem-mint premium. Based on the last tracked PSA 10 sale of $160.50 on May 10, 2026, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.
PSA 10
$250.25
Last sale $160.50 on
PSA 9
$43.25
Last sale $57.51 on
PSA 8
$31.67
Last sale $32.00 on
The Spread
The PSA 9 to PSA 10 spread on Electabuzz 20/102 (Base Set).
$207
Dollar gap, PSA 9 to PSA 10
5.8x
PSA 10 sells for 5.8x 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 20/102 Electabuzz is a WOTC-era release from 1999. The gap between its PSA 9 and PSA 10 prices is $207.
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