A Washington court ordered Kalshi to stop offering most event contracts in the state, including sports and election markets.

Prediction-market traders on Kalshi are pricing US Senator Jon Ossoff as the favorite for the 2028 Democratic presidential nomination, with his contract at 13%. Vice President Kamala Harris sits at 9.5%, while US Senator Mark Kelly of Arizona is fifth at 5.6%. The pricing positions Ossoff ahead of better-known names in early wagering for the cycle.

Federal officials have opened a probe into 'mention markets,' a growing category of prediction market contracts that let users bet on what people say. The investigation comes amid controversy involving the White House and Kalshi, a regulated prediction market platform. The article does not specify which federal agency is conducting the probe or detail the nature of the White House controversy.

A Washington Superior Court judge denied Kalshi's request to avoid a preliminary injunction that would force it to stop operating in the state. The ruling means Kalshi must halt its Washington operations while its court battle continues.

A King County Superior Court judge issued a final order requiring Kalshi to cease what the court characterized as its illegal gambling operation in Washington state. The order, issued Wednesday, compels the prediction market platform to stop most of its betting activities in the state.

The Commodity Futures Trading Commission has instructed prediction market platform Kalshi to violate a federal court order, according to a Common Dreams report published Thursday. The article frames the agency action as 'lawlessness' by a Trump administration agency. One critic quoted in the piece characterized the CFTC's move as instructing the prediction market giant to defy judicial authority.

Kalshi prediction markets are pricing the odds to replace Karoline Leavitt as White House Press Secretary. Anna Kelly leads at 23%, followed by Alina Habba at 13%. The market has shifted as speculation builds about a potential vacancy in the role.

Baltimore has sued Kalshi and Polymarket, alleging the prediction market platforms are offering unlicensed sports betting. The lawsuit marks the latest escalation in the conflict between traditional sportsbooks and prediction markets, as states and local governments move to restrict event-contract platforms.

North Carolina has become one of the first states to explicitly recognize the federal government's role in regulating prediction markets, according to a WBTV report. The move comes as states remain divided on how to treat platforms like Kalshi and Polymarket. The article frames the broader national split among states on prediction market regulation.

The New York City Council on August 12 opened a probe into prediction markets Kalshi and Polymarket, plus crypto exchanges Coinbase and Gemini Titan, over alleged deceptive marketing practices. Council Speaker Julie Menin sent detailed questions to all four platforms examining potential social harms from their advertising. The inquiry targets how the platforms promote services within the city and could lead to local restrictions.

The Trump administration has embraced prediction markets and criticized states that attempt to regulate the industry, according to an article published August 12. The piece notes that critics are raising concerns about addiction as the sector's growth accelerates. Donald Trump, the president's son, is mentioned in the article. The full body text was truncated beyond the lede.

New York Rep. Alexandria Ocasio-Cortez has moved ahead of California Gov. Gavin Newsom in early prediction-market odds for the 2028 Democratic presidential nomination on Polymarket. The shift comes as both figures are floated as potential successors to President Joe Biden.

Prediction markets accurately forecast Minnesota's Democratic Senate primary, with Lt. Gov. Peggy Flanagan winning after trading at 72% on both Kalshi and Polymarket. The result followed a volatile Michigan primary where platforms posted 98-99% odds for Abdul El-Sayed that collapsed to a narrow victory. Republican Michele Tafoya also won her Senate nomination. Minnesota remains Likely Democratic for November, limiting general election trading interest. A late KSTP/SurveyUSA poll had shown challenger Angie Craig ahead by two points, but market pricing prevailed.

New York City Council Speaker Julie Menin sent letters to Polymarket and Kalshi on August 12, 2026, probing whether their marketing practices target minors. The council investigation examines advertising and outreach tactics that may appeal to underage users. Menin also contacted Coinbase and Gemini Titan. The probe adds municipal scrutiny to existing state and federal pressure on the CFTC-registered prediction market platforms.

The New York City Council is investigating Polymarket over alleged predatory marketing practices, according to a Reuters report dated August 12, 2026. The probe targets the prediction market startup, which offers event contracts on politics, sports, and entertainment. No further details on the specific allegations or scope of the investigation were provided in the available text.

New York City Council Speaker Julie Menin sent letters to four prediction market platforms as the council considers legislation related to the industry. The probe targets the platforms' marketing strategies and advertising practices, with a focus on potential social harms. The specific platforms, marketing practices under scrutiny, and content of proposed legislation were not disclosed. The investigation opens a new front in the legal scrutiny of the prediction markets industry.

Some $1.3 million was spent on Polymarket bets tied to the Palisades and Eaton fires, which collectively killed over 30 people and destroyed thousands of homes. California lawmakers are pushing back against the prediction market platform for offering contracts on the deadly wildfires.

Prediction market platform Kalshi warned that the state of Utah is poised to take action against it unless a federal judge intervenes. The company issued the warning on Tuesday, August 11. No further details on the nature of the threatened action or the specific legal venue were provided in the available text.

California Senators Alex Padilla and Adam Schiff, joined by seven other U.S. senators, are calling for prediction markets to be banned. The post frames prediction markets as gambling and argues nothing good can come from them. The statement was shared on Facebook by 6abc Action News on August 11, 2026.

Kalshi has expanded its lobbying footprint in Albany as top New York state officials seek to rein in prediction markets. The move comes during an active legal fight between the regulated prediction market platform and state leaders.