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Ho-Chunk Nation sues Kalshi & Robinhood in federal court

Published: 1 min read
An empty wood-panelled federal courtroom with rows of vacant benches lit by soft afternoon light.

The complaint seeks declaratory relief, an injunction & money damages against both companies.

The hit

The Ho-Chunk Nation has filed a federal lawsuit against Kalshi & Robinhood, according to court filings on CourtListener. The complaint seeks declaratory & injunctive relief plus money damages, with exhibits including an Instagram post, a sponsored TikTok video, Kalshi’s App Store listing & social media comments.

Why it matters

The docket does not yet set out the Ho-Chunk Nation’s legal theory beyond the exhibits filed with the complaint.

The record

Case filed 3:25-cv-00698, Ho-Chunk Nation v. Kalshi Inc. (CourtListener)
Defendants named Kalshi Inc, KalshiEX LLC, Robinhood Derivatives LLC & Robinhood Markets Inc
Evidence exhibits Instagram post (23 January 2025), sponsored TikTok video (19 July 2025)

What happens next

Kalshi & Robinhood’s answers are due 21 November 2025, under waivers of service filed in the case, with Magistrate Judge Anita Boor assigned to it.

Sources: Ho-Chunk Nation v. Kalshi Inc., 3:25-cv-00698 – CourtListener

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