How is the Union Arena card market doing right now?

As of September 23, 2026, the TCGIndex Union Arena market value index is $59,300, having rose +0.7% over the last 7 days (momentum: neutral).

What is the biggest Union Arena mover this week?

Asta (075) (SR***) is the biggest Union Arena mover this week, up +16.9% to around $1,950.

What is the most valuable Union Arena card?

The most valuable Union Arena card is Kaiju No. 8 (055) (SR***) (Serial Numbered), worth around $3,500.

September 23, 2026

Union Arena market report

As of September 23, 2026, the TCGIndex Union Arena market value index stands at $59,300, having rose +0.7% over the past 7 days (+7.9% over 30 days). Market momentum is neutral, with 44% of cards advancing. The biggest mover is Asta (075) (SR***) (+16.9%). The most valuable card tracked is Kaiju No. 8 (055) (SR***) (Serial Numbered) at $3,500.

Market index

$59,300

7-day change

+0.7%

30-day change

+7.9%

Cards tracked

7,772

Go deeper into the Union Arena market

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Figures reflect aggregated secondary-market data as of September 23, 2026 and can change rapidly. TCGIndex provides informational analysis, not financial advice.

Frequently asked questions

How is the Union Arena card market doing right now?: As of September 23, 2026, the TCGIndex Union Arena market value index is $59,300, having rose +0.7% over the last 7 days (momentum: neutral).
What is the biggest Union Arena mover this week?: Asta (075) (SR***) is the biggest Union Arena mover this week, up +16.9% to around $1,950.
What is the most valuable Union Arena card?: The most valuable Union Arena card is Kaiju No. 8 (055) (SR***) (Serial Numbered), worth around $3,500.