Where do these graded prices come from?

Medians of 23 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 Thundurus EX (98 Full Art) worth it?

Compare the graded medians below against the raw reference price of $18.46 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 23 completed sales

Thundurus EX (98 Full Art) graded prices.

As of August 22, 2026, Thundurus EX (98 Full Art) (Roaring Skies #98) trades across the graded ladder below, based on 23 real eBay completed sales; the raw copy’s reference price is $18.46.

Across Roaring Skies, PSA 10 copies sell for 120.2× their raw reference price on average (18 cards, 149 PSA 10 completed sales tracked).

As of August 22, 2026Raw price & chart →Grading ROI calculator →

PSA · Thundurus EX (98 Full Art)

Grade	Median	Sales	vs Raw
Mint 9	$59.00	8	3.2×
NM-MT 8	$37.11	5	2.0×
NM 7	$20.75	4	1.1×
EX-MT 6	$15.50	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.