Wisconsin v. Kalshi
District Court, W.D. Wisconsin —
District Court, W.D. Wisconsin, No. 3:26-cv-00378. Status: Notice of Supplemental Authority Filed (2026-10-16). State of Wisconsin v. Kalshi Inc.; Kalshiex LLC; Kalshi Klear, Inc.; Kalshi Klear, LLC; Kalshi Trading, LLC; Robinhood Markets, Inc.; Robinhood Derivatives, LLC; Robinhood Securities, LLC; Coinbase Global, Inc.; Coinbase Financial Markets, Inc.; Does 1–20.
- Court
- District Court, W.D. Wisconsin
- Case number
- 3:26-cv-00378
- Jurisdiction
- Wisconsin
- Judge
- William Martin Conley
- Filed
- 2026-04-24
- Plaintiffs
- State of Wisconsin
- Defendants
- Kalshi Inc.; Kalshiex LLC; Kalshi Klear, Inc.; Kalshi Klear, LLC; Kalshi Trading, LLC; Robinhood Markets, Inc.; Robinhood Derivatives, LLC; Robinhood Securities, LLC; Coinbase Global, Inc.; Coinbase Financial Markets, Inc.; Does 1–20
- Upcoming events
- Brief in Opposition to Motion to Remand due June 15, 2026; Brief in Reply due June 29, 2026