Kaiju No. 8 (055) (Winner) Union Arena Promotion Cards Union Rare Union Arena card — value and price

Kaiju No. 8 (055) (Winner)

Union Arena Promotion Cards · Union Rare
Union Arena una:663167 TCGplayer (daily snapshot, 2026-08-05)
Fair market value
$83.61
Consensus of 1 market price guide. Typical $72.42 – $95.23.
Sources: TCGplayer (daily snapshot, 2026-08-05) · Near Mint, raw
Optimal buy
$77.44
Never pay above $80.83
Optimal sell
$88.21
Never sell below $84.99
Buy this card · aim to pay under $80.83
Find on eBay →TCGplayer →Buy on Amazon →Graded (PSA 10) →
When it arrives: a penny sleeve + toploader is all it takes to keep it Near Mint.
Penny sleevesToploaders

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Selling this card
Optimal sell $88.21 · never below $84.99. Value your copy for the live net-after-fees calculator.
Where to sell
eBay~13.25% + $0.30Largest audience; on any listing use “Sell one like this” to prefill yours.TCGplayer~10–11%Best for singles; buyers expect competitive, data-driven pricing.Whatnot~8% + paymentLive-auction app; strong for breaks, lots, and fast sales.
Shipping & protection supplies
Sleeve + toploader in a team bag, taped inside a bubble mailer, shipped with tracking.
Penny sleevesToploadersTeam bagsBubble mailersPainter’s tape
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Common questions
How much is Kaiju No. 8 (055) (Winner) worth?

Kaiju No. 8 (055) (Winner) from Union Arena Promotion Cards has a fair market value of about $83.61 (Near Mint, raw), based on a consensus of current market price guides.

What is the best price to sell Kaiju No. 8 (055) (Winner)?

List around $88.21 to clear without leaving money on the table; that nets about $71.34 after fees and shipping.

What should I pay to buy Kaiju No. 8 (055) (Winner)?

A disciplined buy target is about $77.44 — a discount to fair value that keeps an edge. Aim not to pay above $80.83.

Where can I buy Kaiju No. 8 (055) (Winner)?

Kaiju No. 8 (055) (Winner) is sold on eBay, TCGplayer, and Amazon. Compare live listings against the fair value of $83.61 and aim to pay under $80.83 — SplitShot links you straight to current listings at each marketplace.

Is now a good time to buy Kaiju No. 8 (055) (Winner)?

Kaiju No. 8 (055) (Winner) is trending stable lately. A disciplined entry is under $80.83; paying near or below $77.44 keeps a margin of safety versus the $83.61 fair value.

Estimate for guidance, not an appraisal. Value your exact copy →