Kalshi is in talks to raise fresh capital at a $40Bn valuation, according to a Financial Times report, nearly double the $22Bn price tag attached to its Series F round just weeks earlier in May 2026.
That $40Bn figure is nearly triple the $15Bn that rival Polymarket is reportedly targeting. The central tension this story forces onto the table is that a valuation that has moved roughly 20x in twelve months deserves more scrutiny than a funding press release typically gets.
The ongoing regulatory scrutiny of prediction markets is dominating the discussion around the Kalshi IPO, and until the situation is resolved, it is unlikely to become a publicly traded company.
What Kalshi Actually Is and Why the Structure Matters
Kalshi is not a crypto exchange or a sportsbook. It is a federally regulated event-contracts exchange, operating under the oversight of the US Commodity Futures Trading Commission.
Think of it as a stock exchange, except instead of shares in Apple, users trade binary contracts on the probability of real-world outcomes: whether the Federal Reserve raises rates, which party wins a Senate seat, or who advances in a tournament bracket.
That CFTC license is the structural asset that separates Kalshi from Polymarket, which runs on blockchain infrastructure, settles positions in cryptocurrency, and operates without US regulatory approval.
Polymarket is faster and more internationally accessible, but it cannot credibly pitch itself to institutional allocators who require regulated counterparties. That credibility gap is the direct cause of the $25Bn spread between the two companies’ current fundraising targets.
Co-founders Tarek Mansour, a former trader at Citadel Securities, and Luana Lopes Lara, a quantitative finance specialist and MIT classmate, launched Kalshi in 2018 and built the company around precisely this regulatory positioning.
On June 24, Mansour confirmed on CNBC that Kalshi is evaluating a potential IPO, though he said a public listing is unlikely before 2027. IPO speculation around Kalshi has been circulating since earlier this year, but this was the first on-record confirmation from the CEO.
⚡️ @Kalshi is negotiating a funding round at ~$40bn, per the FT, nearly double the $22bn valuation it secured in May.
CEO Tarek Mansour also said an IPO conversation at the company’s scale is inevitable, though he ruled out a debut this year.
— Sandmark (@sandmark_news) June 25, 2026
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The Growth Numbers and the World Cup Catalyst
Monthly trading volume on Kalshi’s platform recently surpassed $17Bn, up from roughly $5Bn a year earlier, a more-than-threefold increase in twelve months.
Bernstein Research puts Kalshi’s May 2026 monthly volume at $17.9Bn, versus Polymarket’s $7.1Bn, giving Kalshi a 57% market share versus Polymarket’s 22.7%. On an annualized basis, Kalshi’s trading volume reached approximately $178Bn by April 2026.
The World Cup 2026 is a meaningful near-term accelerant. DeFi Rate estimates Americans will trade more than $2.5Bn across prediction markets on the 2026 FIFA World Cup, with $1.47Bn on Kalshi alone under the base-case scenario.
Bernstein has called the tournament a “watershed moment” for the sector. That kind of volume event helps justify momentum-based fundraising conversations, but it also concentrates near-term revenue into a window that ends when the final whistle blows.
Polymarket’s World Cup markets have drawn scrutiny over integrity and liquidity, a dynamic that further sharpens Kalshi’s regulatory differentiation argument.
The May 2026 Series F, a $1Bn round that drew Coatue Management, Sequoia Capital, Andreessen Horowitz, Morgan Stanley, and ARK Invest, valued the company at $22Bn. The current $40Bn target, if it closes in Q3 2026 as reported, would represent a near-doubling in a matter of weeks.
At roughly $2Bn in annualized revenue, that $40Bn figure implies approximately a 20x revenue multiple, a level that Finimize has noted: “prices it more like exchange infrastructure than a consumer app.”
(SOURCE: Kalshi)
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Bull Case, Base Case, Bear Case on the Valuation
Bull case: The Supreme Court upholds CFTC pre-emption, Kalshi’s sports contracts survive intact, World Cup 2026 volume pushes monthly figures above $20 billion, and the company executes an IPO at exchange-infrastructure multiples that dwarf the $40Bn private price. The Polymarket gap widens further as institutional capital consolidates around the regulated venue.
Base case: Legal battles drag into 2027 without a definitive ruling, volume moderates post-World Cup, and Kalshi closes the round at or near $40Bn on the strength of its regulatory moat and long-term IPO narrative, but operates in a grey zone where state-level enforcement remains a live risk.
Bear case: A federal court ruling narrows CFTC pre-emption, forcing Kalshi to restrict or restructure sports contracts. Monthly volume drops sharply from its World Cup peak, annualized revenue falls well below $2Bn, and the 20x revenue multiple looks like a venture bet that mis-priced the regulatory outcome.
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