US attorneys general file amicus briefs against Kalshi

9th November, 2026

Karry Lai
book, gavel

The multistate amicus briefs target Kalshi and other prediction market operators in support of New York and Wisconsin’s right to enforce state sports gaming and gambling laws.

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ABN AMRO
Bank of America
CBOE
Citi
Goldman Sachs
DRW Holdings
HSBC
J.P Morgan
Marex
Morgan Stanley
SGX
SocGen
Susquehanna
MUFG Investor Services
TP ICAP
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