![Giovanni's Nidoking [1st Edition] #7](https://storage.googleapis.com/images.pricecharting.com/ec98a88a33240f55756c89315ffa1d64c9d1df44dc7e68d7d84fcbd794bd7b18/1600.jpg)
Giovanni's Nidoking [1st Edition] #7
Pokemon Gym Challenge · #7 · Oct 2000
Maybe — Proceed with Caution
Should You Grade?
Raw Price
$148.29
Expected Value
$172.06
Net Profit
$304.21
Gem Rate
13.3%
ROI
+186%
Sales / Yr
312
The gem rate is only 13% — you'll need a very clean copy to hit PSA 10.
Best Tier for Flipping
Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.
Profitability by Grading Company
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
$148.29
BGS 10
$3,299.00
PSA 10
$2,538.02
SGC 10
$1,523.00
CGC 10
$467.50
9
$435.75
BGS 9.5
$291.00
8
$226.54
7
$159.85
13.3%Gem Rate (PSA 10)
+28 graded in 30 days
+75 in 90 days
Grade Distribution (2,021 total graded)
2,021Total
PSA 1026813.3%
PSA 987843.4%
PSA 848824.1%
PSA 71678.3%
Below 720610.2%