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CONTESTEDCFTC-regulated venues · checked 7 OCT 2026

Is Polymarket legal in Illinois?

By Settled desk · Checked against 6 sources · NOT LEGAL ADVICE
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SHORT ANSWER

Contested. Polymarket says it accepts Illinois. Illinois has acted against Polymarket: cFTC and DOJ sued Illinois in N.D. Ill. (US v. Illinois, 1:26-cv-03659), CFTC release 9206-26, over cease-and-desist letters to three DCMs.

Polymarket and the alternatives in Illinois

PLATFORMACCEPTSSPORTSSOURCE
Kalshi logoKalshiNOT STATEDNOT STATEDnone found
Robinhood logoRobinhoodNOT STATEDNOT STATEDnone found

What the law says

2 APR 2026CFTC and DOJ sued Illinois in N.D. Ill. (US v. Illinois, 1:26-cv-03659), CFTC release 9206-26, over cease-and-desist letters to three DCMs. cftc.gov ↗

27 JAN 2026Illinois Gaming Board sent a cease and desist letter to QCX LLC d/b/a Polymarket US for suspected unlicensed sports wagering. igb.illinois.gov ↗

2 OCT 2026N.D. Ill. (Judge Pacold) granted in part and continued in part PI motions of the US/CFTC, Coinbase and Kalshi against Illinois; proposed injunction due 29 Oct 2026. storage.courtlistener.com ↗

1 APR 2025Illinois Gaming Board sent a cease and desist letter to KalshiEX LLC for suspected unlicensed sports wagering. igb.illinois.gov ↗

1 APR 2025Illinois Gaming Board sent a cease and desist letter to Robinhood for suspected unlicensed sports wagering. igb.illinois.gov ↗

Sources. 6 primary and court sources, each quoted on our side and read on 7 Oct 2026: apps.apple.com, cftc.gov, igb.illinois.gov (3), storage.courtlistener.com. A cell marked not stated means no source we found says it either way.
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Where to trade from Illinois
PARTNER LINKS
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Polymarket
FEE AT 50¢: 1.5% to 3.5%
See the fees
Novig logo
Novig
FEE AT 50¢: 0% to 1.5%
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No partner links here: both go to our own fee pages.
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