Where do these graded prices come from?

Medians of 11 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 Cinnabar City Gym worth it?

Compare the graded medians below against the raw reference price of $1.21 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 11 completed sales

Cinnabar City Gym graded prices.

As of August 3, 2026, Cinnabar City Gym (Gym Challenge #113) trades across the graded ladder below, based on 11 real eBay completed sales; the raw copy’s reference price is $1.21.

Across Gym Challenge, PSA 10 copies sell for 34.5× their raw reference price on average (32 cards, 258 PSA 10 completed sales tracked).

As of August 3, 2026Raw price & chart →Grading ROI calculator →

CGC · Cinnabar City Gym

Grade	Median	Sales	vs Raw
Gem Mint 10	$15.50	6	12.8×

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.