Where do these graded prices come from?

Medians of 12 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 Porygon-Z (Team Plasma) worth it?

Compare the graded medians below against the raw reference price of $4.60 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 12 completed sales

Porygon-Z (Team Plasma) graded prices.

As of August 20, 2026, Porygon-Z (Team Plasma) (Plasma Blast #74) trades across the graded ladder below, based on 12 real eBay completed sales; the raw copy’s reference price is $4.60.

Across Plasma Blast, PSA 10 copies sell for 27.5× their raw reference price on average (5 cards, 26 PSA 10 completed sales tracked).

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

PSA · Porygon-Z (Team Plasma)

Grade	Median	Sales	vs Raw
NM-MT 8	$24.97	4	5.4×

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.