Kalshi Hits $11B Valuation After Securing Landmark $1B Funding Round
Kalshi, a fast-growing prediction market platform where users can bet on the outcomes of future events, has attracted significant investor attention once again. The seven-year-old company has reportedly closed a $1 billion funding round, lifting its valuation to an impressive $11 billion, according to an individual familiar with the transaction. This raise comes less than two months after Kalshi’s previous $300 million round, which valued the firm at $5 billion.
Major Backers Double Down
The latest investment was led by returning supporters Sequoia and CapitalG, the same source noted. Kalshi’s broader investor roster includes well-known names such as Andreessen Horowitz, Paradigm, Anthos Capital, and Neo.
Both Kalshi and Sequoia declined to provide statements, while CapitalG did not respond to inquiries.
Competition Intensifies: Polymarket’s Parallel Rise
Kalshi isn’t the only prediction market experiencing explosive growth. Rival platform Polymarket has also been attracting substantial venture activity.
Bloomberg reported that Polymarket was in discussions last month to secure new capital at a valuation between $12 billion and $15 billion, shortly after completing a $1 billion raise at an $8 billion pre-money valuation.
Election Betting Sparks Mass Popularity
Both platforms surged in visibility last year, especially after enabling users to wager on the U.S. presidential election. Their prominence spiked even further when the prediction markets accurately forecast the results of New York City’s mayoral race earlier this month.
Kalshi amplified its brand presence in New York during the Mamdani versus Cuomo race by purchasing ad placements throughout subway cars. These ads featured live displays of evolving odds — a strategy that significantly boosted awareness among commuters.
Global Reach and Rapid Trading Growth
Kalshi now enables people in over 140 countries to bet on a wide variety of future events — from who will become Time’s Person of the Year in 2025, to the Rotten Tomatoes score for Wicked, and even long-term political predictions such as the next U.S. presidential election.
Its momentum has been explosive. By mid-October, the company achieved $50 billion in annualized trading volume, a staggering increase of more than 1,000× compared to the approximately $300 million annualized volume recorded last year, according to reporting from the New York Times.
Founders With Quantitative Roots
Kalshi was established by Tarek Mansour and Luana Lopes Lara, both former hedge fund traders. The pair met while studying computer science and mathematics at MIT, forming the foundation of what would become one of the most-watched prediction markets globally.
Legal Hurdles and Regulatory Ambiguity
Prediction markets remain a contentious area in financial innovation due to their proximity to both regulated financial instruments and gambling platforms.
While Kalshi obtained approval for U.S. users after winning a legal battle with the Commodity Futures Trading Commission (CFTC) last year, the company continues to face regulatory pressure. Several U.S. states have alleged that its services amount to illegal gambling, triggering ongoing legal disputes.
Polymarket, meanwhile, has faced its own regulatory challenges. It was barred from serving U.S. customers in 2022 following a settlement with the CFTC. However, the company took significant steps toward compliance by acquiring a derivatives exchange and clearinghouse in July. This acquisition paved the way for Polymarket to regain access to the U.S. market.
In September, Polymarket CEO and founder Shayne Coplan announced on X that:
“Polymarket has been given the green light to go live in the USA by the CFTC.”





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