Where do these graded prices come from?

Medians of 9 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 Houndoom - SWSH090 (Prerelease) worth it?

Compare the graded medians below against the raw reference price of $14.38 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 9 completed sales

Houndoom - SWSH090 (Prerelease) graded prices.

As of August 18, 2026, Houndoom - SWSH090 (Prerelease) (SWSH Black Star Promos #SWSH090) trades across the graded ladder below, based on 9 real eBay completed sales; the raw copy’s reference price is $14.38.

Across SWSH Black Star Promos, PSA 10 copies sell for 30.5× their raw reference price on average (142 cards, 5,281 PSA 10 completed sales tracked).

As of August 18, 2026Raw price & chart →Grading ROI calculator →

CGC · Houndoom - SWSH090 (Prerelease)

Grade	Median	Sales	vs Raw
Mint 9	$11.89	5	0.8×

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.