Where do these graded prices come from?

Medians of 7 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 Necrozma GX - SM58 worth it?

Compare the graded medians below against the raw reference price of $1.72 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 7 completed sales

Necrozma GX - SM58 graded prices.

As of August 20, 2026, Necrozma GX - SM58 (SM Black Star Promos #SM58) trades across the graded ladder below, based on 7 real eBay completed sales; the raw copy’s reference price is $1.72.

Across SM Black Star Promos, PSA 10 copies sell for 34.0× their raw reference price on average (99 cards, 6,076 PSA 10 completed sales tracked).

As of August 20, 2026Raw price & chart →Grading ROI calculator →

PSA · Necrozma GX - SM58

Grade	Median	Sales	vs Raw
NM-MT 8	$5.50	3	3.2×

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.