Story perspectives

Federal Government Sues States Over Market Regulation Dispute

4/3/2026

Summary

Story summary

The federal government filed suit against Connecticut, Arizona, and Illinois over efforts to regulate Kalshi and Polymarket.
The Commodity Futures Trading Commission argues it has exclusive regulatory authority over these markets.
Arizona has filed criminal charges against Kalshi for violating state gambling laws.
Connecticut's Attorney General William Tong criticized the Trump administration's support for the operators.
CFTC Chairman Michael S. Selig emphasized preventing fragmented state regulations that could raise fraud risks.

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Story summary

The federal government filed suit against Connecticut, Arizona, and Illinois over efforts to regulate Kalshi and Polymarket.
The Commodity Futures Trading Commission argues it has exclusive regulatory authority over these markets.
Arizona has filed criminal charges against Kalshi for violating state gambling laws.
Connecticut's Attorney General William Tong criticized the Trump administration's support for the operators.
CFTC Chairman Michael S. Selig emphasized preventing fragmented state regulations that could raise fraud risks.