Ohio News & Prediction Market Coverage

Track the latest Ohio news across prediction markets. Prediction News is following 21 active Ohio stories across regulation, legal action, market moves, and platform developments, each clustered from original reporting and summarized for operators, traders, and regulators.

Latest News

Legal

Ohio gaming licensees must exit sports event contracts by Oct. 30

13h ago
Legal

Polymarket sues Ohio to block sports event contract enforcement

18h ago
Legal

Ohio senator DeMora urges sports betting laws for prediction markets

36h ago
Legal

Ohio gives gaming licensees Oct. 30 deadline to cut ties with prediction markets

39h ago
Trading

Ohio election betting tops $10M on Kalshi as markets question predictive value

45h ago
Legal

Kalshi seeks full Sixth Circuit rehearing after sports contracts ruled gambling

2d ago
Trading

Polymarket pulls Cornell assault-case market after $450,000 in volume and public backlash

2d ago
Tech

Former CFTC counsel sees strong chance Supreme Court takes Kalshi sports contracts case

6d ago
Legal

Ohio casino regulator issues 10 cease-and-desist letters to prediction market operators

7d ago
Legal

Kalshi petitions full Sixth Circuit as NFL amicus deepens event-contract circuit split

7d ago
Legal

Sixth Circuit rules Kalshi sports contracts subject to Ohio and Tennessee gambling laws

9d ago
Legal

Connecticut cease-and-desist orders push Gemini, Prophet X, and WeBull to exit state

12d ago
Legal

Ohio casino commission sends 10 cease-and-desist notices to prediction market operators over sports event contracts

16d ago
Legal

Ohio Gov. DeWine vows enforcement against Kalshi, calls company 'pigs' after appeals loss

20d ago
Legal

Washington's March suit against Kalshi tests federal preemption of gambling laws

28d ago
Legal

Ohio casino regulators quit NCPG over Kalshi; third exit this year

32d ago
Legal

Underdog drops fantasy sports in seven states, sues five to protect prediction markets

41d ago
Legal

New York attorney general sues Kalshi over alleged illegal gambling operation

72d ago
Legal

Tribal leaders urge Senate to rein in CFTC-regulated prediction markets

78d ago
Legal

Sixth Circuit panel skeptical of Kalshi preemption claim in Ohio and Tennessee sports cases

84d ago
Legal

Kalshi and Polymarket launch FDA drug approval prediction markets

86d ago

Frequently Asked Questions

Is Kalshi legal in Ohio?

Ohio regulators treat Kalshi's sports event contracts as unlicensed sports betting and have enforced restrictions following a federal court ruling against the platform.

Can Ohio state employees or politicians trade on Kalshi or Polymarket?

Bills introduced in 2026 would prohibit state officials and employees from trading event contracts on prediction market platforms.

Has Ohio fined Kalshi?

Ohio gambling regulators have moved to fine Kalshi $5 million for operating unlicensed sports betting.

Why is Ohio challenging Kalshi in court?

Ohio argues that Kalshi's sports event contracts violate state gambling laws and are not preempted by federal commodity regulations.

Which other states support Ohio against Kalshi?

Attorneys general from 39 states and Washington, D.C., have filed amicus briefs supporting Ohio's position.

What happened with Google ads for prediction markets in Ohio?

Google blocked paid prediction market advertising in Ohio in June 2026 following Kalshi's court defeat there.