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 Chinchou (70) worth it?

Compare the graded medians below against the raw reference price of $13.82 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 6 completed sales

Chinchou (70) graded prices.

As of August 3, 2026, Chinchou (70) (Aquapolis #070) trades across the graded ladder below, based on 6 real eBay completed sales; the raw copy’s reference price is $13.82.

Across Aquapolis, PSA 10 copies sell for 26.8× their raw reference price on average (40 cards, 207 PSA 10 completed sales tracked).

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

PSA · Chinchou (70)

Grade	Median	Sales	vs Raw
Mint 9	$28.77	3	2.1×

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.