Where do these graded prices come from?

Medians of 21 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 Shaymin EX worth it?

Compare the graded medians below against the raw reference price of $10.58 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 21 completed sales

Shaymin EX graded prices.

As of August 20, 2026, Shaymin EX (Roaring Skies #77) trades across the graded ladder below, based on 21 real eBay completed sales; the raw copy’s reference price is $10.58.

Across Roaring Skies, PSA 10 copies sell for 120.7× their raw reference price on average (18 cards, 147 PSA 10 completed sales tracked).

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

PSA · Shaymin EX

Grade	Median	Sales	vs Raw
Mint 9	$25.50	7	2.4×
NM-MT 8	$13.53	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.