Key Takeaways
- Both Kalshi and Polymarket are exploring fundraising opportunities at approximately $20 billion valuations, representing a near-doubling of recent assessments
- Kalshi’s previous valuation stood at $11 billion as of December; Polymarket was valued at $9 billion in October
- Kalshi has achieved an annual revenue run rate exceeding $1 billion, with certain estimates reaching $1.5 billion
- Legislative proposals threaten to prohibit prediction markets covering warfare, athletic competitions, and additional categories
- Polymarket has been implicated in several insider trading controversies, with users allegedly profiting millions through strategically-timed wagers
The two dominant players in the prediction market space, Kalshi and Polymarket, are pursuing preliminary funding conversations that could value each company at approximately $20 billion. This prospective valuation represents nearly twice their worth from just months earlier.
Exclusive: Kalshi and Polymarket, the two dominant prediction-market companies, are talking to investors about raising money at around the same eye-popping valuation of $20 billion. https://t.co/3F6dA99QU1
— The Wall Street Journal (@WSJ) March 6, 2026
These fundraising discussions remain in preliminary phases and may ultimately fail to materialize into completed transactions. Neither platform has secured commitments at the targeted valuation levels.
Kalshi’s most recent valuation reached $11 billion during a December funding round that brought in $1 billion from prominent backers including Paradigm and Sequoia Capital. Established in 2018, the company achieved a significant milestone by becoming America’s inaugural regulated prediction market platform following Commodity Futures Trading Commission authorization in 2020.
Kalshi offers users the ability to wager on various outcomes spanning athletics, political events, economic indicators, and entertainment news. The platform has surpassed the $1 billion annual revenue threshold, with certain industry sources suggesting figures approaching $1.5 billion.
Polymarket achieved its latest $9 billion valuation in October when Intercontinental Exchange — which operates the New York Stock Exchange — committed to investing as much as $2 billion. The platform was launched in 2020 under the leadership of founder Shayne Coplan.
American users cannot directly access Polymarket, though VPN workarounds exist. The company has announced intentions to introduce a compliance-focused US platform iteration within the current year.
Congressional Efforts to Limit Market Scope
Both companies now face heightened attention from federal legislators. Representatives Blake Moore and Salud Carbajal have put forward proposed legislation designed to prohibit prediction markets from covering subjects such as military conflicts and sporting events.
This legislative initiative emerged following questionable betting patterns surrounding American and Israeli military operations against Iran that sparked concerns about privileged information abuse. Senator Chris Murphy suggested that White House-connected individuals may have exploited advance intelligence regarding the military action to place lucrative wagers. Multiple Polymarket user accounts allegedly generated roughly $1 million through bets placed mere hours before explosions were confirmed in Tehran.
The platforms have additionally drawn criticism for intensive marketing campaigns directed at university students, including allegedly compensating fraternities with cash payments for recruiting new platform members.
Mounting Insider Trading Questions at Polymarket
Polymarket has confronted numerous allegations of insider trading activity in recent periods. A collection of cryptocurrency wallets generated over $1.2 million through wagers on a market connected to an investigation into DeFi platform Axiom, placed shortly before blockchain investigator ZachXBT released findings regarding potential insider trading associated with that project.
In another questionable episode, a Polymarket user account reportedly secured approximately $400,000 in profits after placing substantial bets predicting the apprehension of Venezuelan President Nicolás Maduro, moments before the information became publicly available.
According to the Wall Street Journal, citing individuals with knowledge of the negotiations, both Kalshi and Polymarket have engaged in exploratory discussions with potential investors regarding fundraising rounds at $20 billion valuations.
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