TLDR
- Two leading prediction market platforms, Kalshi and Polymarket, have entered preliminary discussions to secure funding at approximately $20 billion valuations, representing a twofold increase from recent assessments
- December 2024 saw Kalshi valued at $11 billion; Polymarket received a $9 billion valuation in October
- Kalshi has achieved an annual revenue run rate exceeding $1 billion, with certain projections indicating $1.5 billion
- Proposed congressional legislation threatens to prohibit prediction markets covering warfare, athletic competitions, and additional categories
- Polymarket has been implicated in numerous insider trading controversies, with users allegedly profiting millions through strategically-timed wagers
The prediction market industry’s two dominant players, Kalshi and Polymarket, have begun preliminary fundraising conversations that could value each platform at approximately $20 billion. Such a valuation would represent nearly double 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 funding negotiations remain in nascent stages and could ultimately fail to materialize. There’s no certainty either platform will secure the targeted valuation.
In December, Kalshi achieved an $11 billion valuation through a $1 billion funding round that attracted prominent investors including Paradigm and Sequoia Capital. The platform launched in 2018 and made history as America’s first regulated prediction market after obtaining Commodity Futures Trading Commission authorization in 2020.
Kalshi enables participants to wager on various outcomes spanning athletics, political events, economic indicators, and entertainment. The platform has recently surpassed the $1 billion annual revenue threshold, with certain industry estimates suggesting figures approaching $1.5 billion.
October saw Polymarket attain a $9 billion valuation following Intercontinental Exchange’s — the parent company of the New York Stock Exchange — commitment to invest as much as $2 billion. Shayne Coplan established Polymarket in 2020.
American users currently cannot access Polymarket directly, though virtual private networks provide a workaround. The platform intends to introduce a compliance-focused US platform variant before year’s end.
Congressional Push for Tighter Market Controls
Heightened congressional oversight now threatens both platforms’ operations. Representatives Blake Moore and Salud Carbajal have proposed legislative measures to prohibit prediction markets focused on military conflicts and sporting events.
This legislative effort emerged following questionable betting patterns surrounding American and Israeli military operations against Iran that sparked insider trading suspicions. Senator Chris Murphy suggested White House-connected individuals may have exploited classified attack information for financial gain. Multiple Polymarket users allegedly profited roughly $1 million through wagers placed mere hours before Tehran explosions were confirmed.
Both companies have drawn criticism for aggressive campus recruitment strategies, including compensating fraternities for recruiting new platform members.
Mounting Insider Trading Controversies at Polymarket
Polymarket has encountered repeated insider trading accusations throughout recent months. Connected cryptocurrency wallets generated over $1.2 million wagering on markets related to an Axiom DeFi platform investigation, immediately preceding blockchain investigator ZachXBT’s publication of insider trading allegations involving the project.
Another incident involved a Polymarket user who allegedly secured approximately $400,000 profit after wagering heavily on Venezuelan President Nicolás Maduro’s apprehension, moments before official confirmation.
According to the Wall Street Journal’s sources with knowledge of the discussions, both Kalshi and Polymarket have engaged investors regarding potential funding rounds at $20 billion valuations.
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