Golduck

Mega Evolution Promo · #8 · Promo · 2025

$1.11

Cosmos Holo · Market price ▼ 30.2% (1Y)

Prices as of Aug 15, 2026

Holofoil Cosmos Holo

476graded pop

17%gem rate

111.9×PSA 10 vs raw

-31%off ATH $1.59 · Jul 2026

+$16.09EV to grade — marginal

Market data

Printings & price history

Cosmos Holo$1.11

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Graded market

Graded values

updated 2026-08-15

Grade 6 est.$1.05

Grade 5 est.$0.89

Grade 4 est.$0.73

Grade 3 est.$0.61

Grade 2 est.$0.50

Grade 1 est.$0.42

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

Cosmos Holo · Ungraded price history$1.11

Ungraded chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-08-02

PSA476 graded · 82 gem 10

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Population data from PriceCharting, updated monthly.

How much is Golduck #8 worth?

Right now (August 15, 2026) the going rate for an ungraded Golduck #8 from Mega Evolution Promo is about $1.11. Across the 2 printings we track, copies run anywhere from $0.63 to $19.98 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $124.19, roughly 111.9x the raw price, while a PSA 9 sits near $25.14. 476 copies have been graded to date, and 17% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting Mega Evolution Promo?Full master set guide — every card, chase list, and completion cost→