Base Set Nidoking #11: PSA 9 vs PSA 10
On Base Set Nidoking #11, the PSA 10 premium is one of the widest gaps in vintage WOTC: PSA 10 sells for 8.4x a PSA 9, a $1,456 delta. Based on a recent PSA 10 sale of $1,400.00 on May 17, 2026, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.
PSA 10
$1,652.13
Last sale $1,400.00 on
PSA 9
$196.28
Last sale $223.86 on
PSA 8
$86.79
Last sale $107.50 on
The Spread
The PSA 9 to PSA 10 spread on Nidoking #11 Base Set.
$1,456
Dollar gap, PSA 9 to PSA 10
8.4x
PSA 10 sells for 8.4x 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 picture: a holo with a $1,456 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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