History of Kalshi in Timeline

By Popular Timelines Editorial Team · Updated: July 13, 2026

Kalshi is a US-regulated financial exchange that allows users to trade event contracts. Unlike traditional stock markets, Kalshi enables participants to buy and sell contracts based on the outcomes of specific real-world events, ranging from economic indicators like inflation and interest rates to weather patterns and geopolitical occurrences. By utilizing 'event contracts,' the platform allows individuals and institutions to hedge against risks or speculate on future developments. Regulated by the Commodity Futures Trading Commission (CFTC), Kalshi operates as a designated contract market, providing a transparent, legal, and accessible marketplace for event-based derivatives. It functions as a platform for predictive market intelligence, where prices reflect the collective probability participants assign to the occurrence of various future events.

2018: Establishment of Kalshi

In 2018, Tarek Mansour and Luana Lopes Lara founded the company in San Francisco, which was originally known by the name Kownig.

November 2020: CFTC Licensing

In November 2020, Kalshi secured a license from the Commodities Futures Trading Commission (CFTC), becoming the first regulated exchange platform authorized to trade event-based contracts.

July 2021: Official Platform Launch

In July 2021, Kalshi Inc., a prediction market platform headquartered in Manhattan, New York City, officially launched its services to the public.

July 2021: Public Launch

In July 2021, the Kalshi platform officially opened to the public, marking its entry into the market as a regulated trading venue.

2022: Regulatory Challenges

Starting in 2022, Kalshi faced significant legal and regulatory opposition from the CFTC regarding its plans to list political and election-related betting contracts.

August 2023: Democratic Senators Oppose Election Betting Proposal

In August 2023, a group of six Democratic senators, including Jeff Merkley and Elizabeth Warren, submitted a formal letter to the Commodity Futures Trading Commission (CFTC) urging the regulatory body to reject Kalshi's proposal to facilitate election outcome betting, citing significant risks to electoral integrity.

September 2023: CFTC Rejection of Congressional Control Contracts

In September 2023, the Commodity Futures Trading Commission (CFTC) officially rejected Kalshi's proposed congressional control contracts, citing concerns regarding election integrity and the classification of the contracts as gambling. Kalshi subsequently filed a lawsuit against the agency for exceeding its regulatory authority.

2024: Judicial Approval for Congressional Control Betting

Following a 2024 ruling by the DC District Court that determined the CFTC overstepped its authority by blocking the contracts, and the subsequent denial of a stay by an appellate court, Kalshi was granted permission to relaunch its congressional control betting operations in 2024.

2024: Court Ruling Permits Election Betting Relaunch

In 2024, a court issued a ruling that allowed Kalshi to officially relaunch its platform for betting on the outcomes of elections, a decision that faced immediate backlash from organizations like Better Markets, who characterized the 2024 development as a negative event for public trust in democracy.

August 1, 2025: Effective Date of Minnesota Prediction Market Ban

On August 1, 2025, a law enacted by Minnesota officially took effect, prohibiting the operation of prediction markets within the state.

September 2025: Massachusetts Attorney General Lawsuit Against Kalshi

In September 2025, Massachusetts Attorney General Andrea Campbell initiated legal action against Kalshi, alleging that the platform was facilitating illegal sports wagering in violation of state gambling regulations.

November 2025: Proposed Class Action Lawsuit Filed Against Kalshi

In November 2025, a class action lawsuit was filed against Kalshi in New York, accusing the company of engaging in deceptive practices and illegal unlicensed sports betting. The plaintiffs alleged that the platform misled users into betting against the company or its partners instead of peer-to-peer, while Kalshi co-founder Luana Lopes Lara publicly dismissed the legal claims as baseless.

2025: 2025 Revenue Composition

By the year 2025, sports betting became the primary driver for the platform, accounting for 89% of Kalshi's total revenue.

2025: Kalshi's AI Ad Campaign and Media Partnerships

In 2025, Kalshi aired a controversial AI-generated advertisement during the NBA finals which received mixed reviews from critics. Later in 2025, the company expanded its reach by signing formal partnerships with CNN and CNBC to integrate betting odds into NFL television broadcasts.

2025: Kalshi Student Ambassador Program Controversy

In 2025, Kalshi attempted to launch a student ambassador program to promote prediction markets on college campuses, sparking backlash due to concerns that it effectively allowed individuals as young as 18 to participate in betting disguised as commodity contracts. The company subsequently removed related promotional materials, though it continued efforts to target the college demographic throughout 2025.

2025: Kalshi Integrates with Robinhood

In 2025, Kalshi officially became the underlying infrastructure provider for event contracts featured within the Robinhood Prediction Markets Hub.

January 2026: Kalshi NFL Betting Payout Controversy

In January 2026, Kalshi initially failed to pay out full winnings to users who held correct positions on specific NFL bets, returning only their original stakes. Following significant public backlash and criticism from gambling analyst Dustin Gouker, the platform corrected its stance and issued the full payouts to the affected users.

January 2026: Massachusetts Court Issues Injunction Against Kalshi

In January 2026, a Massachusetts Superior Court judge mandated a preliminary injunction against Kalshi, which prohibited the exchange from offering sports-betting markets in the state and required the immediate implementation of geofencing to restrict access for local users.

February 2026: MrBeast video editor suspended from Kalshi

In February 2026, a video editor employed by YouTuber MrBeast faced a fine and suspension from the Kalshi platform due to allegations involving insider trading.

March 9, 2026: Ohio Federal Court Rules Kalshi Products Constitute Gambling

On March 9, 2026, Judge Sarah D. Morrison ruled that Kalshi's prediction market products function as gambling under Ohio law. Consequently, the judge determined that these activities should be regulated by the Ohio Casino Control Commission instead of the federal Commodity Futures Trading Commission (CFTC). Kalshi announced plans to appeal the decision, referencing conflicting legal standing in Tennessee.

March 2026: Michigan AG Files Lawsuit Against Kalshi

In March 2026, Michigan Attorney General Dana Nessel and the Michigan Gaming Control Board initiated a lawsuit against Kalshi, alleging that the platform is operating illegal sports betting activities by bypassing the state's Lawful Sports Betting Act.

March 2026: Temporary Ban on Kalshi in Nevada

In March 2026, the state of Nevada implemented a temporary ban on the prediction market platform Kalshi, preventing it from operating within the state until specific licensing requirements are met.

March 27, 2026: Washington State Lawsuit and Kalshi Response

On March 27, 2026, the state of Washington initiated a lawsuit against Kalshi, claiming the platform violated state illegal gambling statutes. Kalshi responded on the same day by filing a notice of removal to federal court, asserting that their operations involve federally regulated derivatives rather than state-regulated gambling.

April 2026: Kalshi sanctions congressional candidates

In April 2026, Kalshi took disciplinary action by fining and suspending three congressional candidates who were caught placing bets on the outcomes of their own political campaigns.

April 2026: Wisconsin Attorney General Files Lawsuits Against Betting Platforms

In April 2026, Wisconsin Attorney General Josh Kaul initiated legal action against Kalshi, Coinbase, and Polymarket. Kaul alleged that these companies were circumventing state regulations by labeling sports wagers as event contracts to facilitate illegal gambling operations within Wisconsin.

May 2026: Kalshi Reaches $22 Billion Valuation

As of May 2026, Kalshi reached a significant financial milestone, achieving a company valuation of $22 billion following a successful funding round led by TCV.

May 2026: U.S. DOJ Challenges Minnesota Prediction Market Law

In May 2026, the U.S. Department of Justice initiated a lawsuit aimed at preventing the state of Minnesota's prediction market ban from being enforced.

May 2026: United States Senate bans staff from prediction markets

In May 2026, the United States Senate implemented a formal ban prohibiting its senators and their staff members from participating in betting on prediction market platforms like Kalshi, citing concerns over election integrity and public trust.

July 2026: Spotify Stream Fraud Investigation

In July 2026, Spotify removed over 500,000 artificial streams from the song "Earrings" by Malcolm Todd after a Kalshi trader flagged suspicious activity. The trader, who was betting on chart performance, identified irregularities that led Spotify to confirm that bots had been used to manipulate the song's daily chart rankings in the United States.

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2026: Kalshi Expansion into Perpetual Futures

In 2026, Kalshi expanded its business model by launching federally regulated perpetual futures products focused on cryptocurrency, while simultaneously initiating discussions with regulators to branch into metals, foreign exchange, and energy markets.

2026: Criminal Charges Filed Against Kalshi in Arizona

In March 2026, Arizona Attorney General Kris Mayes and state prosecutors filed 20 misdemeanor charges against Kalshi, accusing the company of operating an illegal gambling business involving election wagering and sports betting. Kalshi dismissed the allegations as meritless and announced intentions to contest the charges in court.