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Nidoking #150

Nidoking #150

Pokemon Aquapolis · #150 · Base · Jan 2003

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Maybe — Proceed with Caution

Should You Grade?

Raw Price
$532.77
Expected Value
$1,153.68
Net Profit
$1,492.23
Gem Rate
5.0%
ROI
+272%
Sales / Yr
217

The gem rate is only 5% — you'll need a very clean copy to hit PSA 10.

Best Tier for Flipping

TAG Basic$22.00/card · 30+ business days
Net Profit $42.50
Per-Flip ROI 127%
Annualized 2,340%
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Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.

Profitability by Grading Company

CompanyBest TierGem RatePop10sCostEVNet ProfitROI
PSAPSA Standard52.3%8,4201,250$20.00$85.40$32.50127%
BGSBGS Standard52.3%8,4201,250$20.00$85.40$32.50127%
CGCCGC Standard52.3%8,4201,250$20.00$85.40$32.50127%
SGCSGC Standard52.3%8,4201,250$20.00$85.40$32.50127%
TAGTAG Standard52.3%8,4201,250$20.00$85.40$32.50127%
Compare All Companies with Pro →

Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.

Price by Grade

Raw
$532.77
BGS 10
$21,027.00
PSA 10
$16,174.24
SGC 10
$9,705.00
9
$3,249.99
8
$2,400.30
BGS 9.5
$2,118.00
CGC 10
$2,040.00
7
$1,720.00
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
5.0%Gem Rate (PSA 10)
+71 graded in 30 days
+146 in 90 days

Grade Distribution (2,224 total graded)

2,224Total
PSA 101125.0%
PSA 946621.0%
PSA 842519.1%
PSA 731214.0%
Below 789240.1%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
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