Where do these graded prices come from?

Medians of 8 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 Quagsire worth it?

Compare the graded medians below against the raw reference price of $21.69 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 8 completed sales

Quagsire graded prices.

As of August 5, 2026, Quagsire (HeartGold & SoulSilver #9) trades across the graded ladder below, based on 8 real eBay completed sales; the raw copy’s reference price is $21.69.

Across HeartGold & SoulSilver, PSA 10 copies sell for 32.2× their raw reference price on average (27 cards, 275 PSA 10 completed sales tracked).

As of August 5, 2026Raw price & chart →Grading ROI calculator →

PSA · Quagsire

Grade	Median	Sales	vs Raw
NM-MT 8	$17.00	3	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.