Gyarados [Cosmos Holo] #21

Name: Gyarados [Cosmos Holo] #21
Brand: Pokémon
Price: 75.74 USD

Pokémon card · XY era

Sealed products

Market value

$4,325

▼ 15% in a year

Estimated from recent completed sales.

$4,325 · Nov 2026

Live now · PSA 10

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About this card

Card guide

Gyarados [Cosmos Holo] #21 — price research

Gyarados [Cosmos Holo] #21 is a Pokémon card from Ancient Origins. Today it's worth about $4,325 in PSA 10 and $75.74 ungraded, down 15% in a year. Compare grades, see the price chart and browse cards for sale on eBay.

Prices on eBay can differ from these values depending on condition, grading company and seller. They're a guide to what the card is worth, not investment advice.

Liquidity

moderateModerate liquidity

178 sales/year · estimated tier from yearly volume · ~15 all grades

~15

sales/month

Trades fairly often

Scale

Very high
High
Moderate
Low
Illiquid

Grade	Price	3mo	6mo	12mo	Δ12mo	PSA Pop	PSA Pop %	Liquidity
PSA 10	$4,325Shop on eBay	$5,100	$5,088	$5,100	-15%	—	—	moderate
PSA 9	$2,125Shop on eBay	$900	$565	$274	+676%	—	—	moderate
PSA 8	$445Shop on eBay	$349	$390	$116	+283%	—	—	moderate
PSA 7	$315Shop on eBay	$240	$85	$85	+271%	—	—	moderate
Ungraded	$75.74Shop on eBay	$51	$45.77	$23.99	+216%	—	—	moderate