Where do these graded prices come from?

Medians of 38 real eBay completed sales aggregated per grade (PSA, BGS, CGC) — a completed-sale evidence layer, not listing asks. Sample sizes are shown per grade; thin grades deserve caution.

Is grading Nidoking worth it?

Compare the graded medians below against the raw reference price of $28.78 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 38 completed sales

Nidoking graded prices.

As of July 8, 2026, Nidoking (FireRed & LeafGreen #8) trades across the graded ladder below, based on 38 real eBay completed sales; the raw copy’s reference price is $28.78.

As of July 8, 2026Raw price & chart →Grading ROI calculator →

PSA · Nidoking

Grade	Median	Sales	vs Raw
Mint 9	$175.00	9	6.1×
NM-MT 8	$75.00	12	2.6×

CGC · Nidoking

Grade	Median	Sales	vs Raw
Gem Mint 10	$231.25	5	8.0×
Mint 9	$103.65	4	3.6×

Medians of real eBay completed sales per grade; small sample sizes deserve caution. Prices are dated reference values — cite them with the as-of date above. Attribution: CardIntel (cardintel.io). See the methodology.