Where do these graded prices come from?

Medians of 35 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 Mewtwo - XY100 worth it?

Compare the graded medians below against the raw reference price of $18.26 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 35 completed sales

Mewtwo - XY100 graded prices.

As of July 8, 2026, Mewtwo - XY100 (XY Black Star Promos #XY100) trades across the graded ladder below, based on 35 real eBay completed sales; the raw copy’s reference price is $18.26.

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

PSA · Mewtwo - XY100

Grade	Median	Sales	vs Raw
Mint 9	$249.99	5	13.7×
NM-MT 8	$85.00	16	4.7×
NM 7	$79.90	4	4.4×
EX-MT 6	$59.90	3	3.3×

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.