Base Set Metapod 54/102: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on Base Set Metapod 54/102 is a wide gem-mint premium: $88, with PSA 10 copies trading at 3.1x a PSA 9. Based on the most recent PSA 10 sale of $163.50 on May 22, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$130.37
Last sale $163.50 on
PSA 9
$42.00
Last sale $39.00 on
PSA 8
$31.99
Last sale $31.99 on
The Spread
The PSA 9 to PSA 10 spread on Metapod 54/102 (Base Set).
$88
Dollar gap, PSA 9 to PSA 10
3.1x
PSA 10 sells for 3.1x 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
Base Set 54/102 Metapod is a WOTC-era release from 1999. The gap between its PSA 9 and PSA 10 prices is $88.
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