Where do these graded prices come from?

Medians of 26 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 M Aerodactyl EX worth it?

Compare the graded medians below against the raw reference price of $23.32 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 26 completed sales

M Aerodactyl EX graded prices.

As of August 21, 2026, M Aerodactyl EX (XY Black Star Promos #XY98) trades across the graded ladder below, based on 26 real eBay completed sales; the raw copy’s reference price is $23.32.

Across XY Black Star Promos, PSA 10 copies sell for 60.0× their raw reference price on average (52 cards, 912 PSA 10 completed sales tracked).

As of August 21, 2026Raw price & chart →Grading ROI calculator →

PSA · M Aerodactyl EX

Grade	Median	Sales	vs Raw
NM-MT 8	$144.97	6	6.2×
NM 7	$42.00	3	1.8×
EX-MT 6	$39.95	6	1.7×
EX 5	$29.73	4	1.3×

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.