Neo Genesis Kingdra 8/111: PSA 9 vs PSA 10
On Neo Genesis Kingdra 8/111, PSA 10 sells for 2.6x a PSA 9, a $187 delta, which is a meaningful PSA 10 premium. Based on the last tracked PSA 10 sale of $299.99 on Apr 4, 2025, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$299.99
Last sale $299.99 on
PSA 9
$113.33
Last sale $120.00 on
PSA 8
$54.40
Last sale $57.00 on
The Spread
The PSA 9 to PSA 10 spread on Kingdra 8/111 (Neo Genesis).
$187
Dollar gap, PSA 9 to PSA 10
2.6x
PSA 10 sells for 2.6x 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
Neo Genesis 8/111 Kingdra Holo is a WOTC-era release from 2000. The gap between its PSA 9 and PSA 10 prices is $187.
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