Where do these graded prices come from?

Medians of 6 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 Zapdos - 157 (Cosmos Holo) worth it?

Compare the graded medians below against the raw reference price of $2.01 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 6 completed sales

Zapdos - 157 (Cosmos Holo) graded prices.

As of August 21, 2026, Zapdos - 157 (Cosmos Holo) (Scarlet & Violet Black Star Promos #157) trades across the graded ladder below, based on 6 real eBay completed sales; the raw copy’s reference price is $2.01.

Across Scarlet & Violet Black Star Promos, PSA 10 copies sell for 33.6× their raw reference price on average (131 cards, 11,983 PSA 10 completed sales tracked).

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

PSA · Zapdos - 157 (Cosmos Holo)

Grade	Median	Sales	vs Raw
Mint 9	$17.75	4	8.8×

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.