Where do these graded prices come from?

Medians of 171 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 Magikarp & Wailord GX worth it?

Compare the graded medians below against the raw reference price of $129.99 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 171 completed sales

Magikarp & Wailord GX graded prices.

As of July 8, 2026, Magikarp & Wailord GX (SM Black Star Promos #SM166) trades across the graded ladder below, based on 171 real eBay completed sales; the raw copy’s reference price is $129.99.

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

PSA · Magikarp & Wailord GX

Grade	Median	Sales	vs Raw
Mint 9	$1.2K	21	9.2×
NM-MT 8	$184.25	88	1.4×
NM 7	$149.90	27	1.2×
EX-MT 6	$54.97	8	0.4×

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.