Base Set Nidorino 37/102: PSA 9 vs PSA 10
Base Set Nidorino 37/102 shows an unusually wide gem-mint premium between PSA 9 and PSA 10: a $362 dollar gap, with the gem mint multiplier at 10.5x. Based on the most recent PSA 10 sale of $350.00 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
$400.00
Last sale $350.00 on
PSA 9
$38.09
Last sale $41.00 on
PSA 8
$20.50
Last sale $20.50 on
The Spread
The PSA 9 to PSA 10 spread on Nidorino 37/102 (Base Set).
$362
Dollar gap, PSA 9 to PSA 10
10.5x
PSA 10 sells for 10.5x 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 WOTC-era card carrying a $362 gap between PSA 9 and PSA 10, a 10.5x multiple on the PSA 9 price.
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