Where do these graded prices come from?

Medians of 5 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 Weakness Guard Energy (Secret) worth it?

Compare the graded medians below against the raw reference price of $8.28 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 5 completed sales

Weakness Guard Energy (Secret) graded prices.

As of August 4, 2026, Weakness Guard Energy (Secret) (Unified Minds #258) trades across the graded ladder below, based on 5 real eBay completed sales; the raw copy’s reference price is $8.28.

Across Unified Minds, PSA 10 copies sell for 10.4× their raw reference price on average (46 cards, 1,022 PSA 10 completed sales tracked).

As of August 4, 2026Raw price & chart →Grading ROI calculator →

PSA · Weakness Guard Energy (Secret)

Grade	Median	Sales	vs Raw
Mint 9	$4.75	3	0.6×

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.