The Wall Street Journal: Polymarket and Kalshi race towards a $20 billion valuation! The two giants of prediction markets are in talks for a new funding round

Market Giants Forecast: Polymarket and Kalshi Spark New Funding Surge

Recently, prediction market leaders Polymarket and Kalshi are actively engaging with investors to raise new funding rounds, both targeting a valuation of around $20 billion. If successful, this would more than double their recent valuations, highlighting the explosive growth and investment enthusiasm in the prediction market industry projected for 2026.

(Background: The death of Hameini tests prediction market ethics: Kalshi decides to refund “don’t profit from the deceased,” while Polymarket faces insider trading allegations involving millions of dollars.)

(Additional context: Polymarket pre-market prediction favors Australia winning WBC, giving Taiwanese baseball fans a lesson in prediction markets.)

Prediction market platforms Polymarket and Kalshi are in early-stage talks for new funding, both aiming for a valuation of approximately $20 billion. This again underscores the industry’s rapid growth and investment frenzy expected between 2025 and 2026. According to the latest report from The Wall Street Journal, both companies are in preliminary discussions with potential investors, and successful deals could significantly boost their valuations from recent levels.

Industry Background: The Rapid Rise of Prediction Markets

Prediction markets allow users to bet on future events related to politics, economics, sports, weather, and more, earning platform fees from transactions. During the 2024 U.S. presidential election, trading volumes on Polymarket and Kalshi surged, attracting both retail and institutional participants. By 2026, with regulatory environments becoming more favorable (Kalshi fully regulated by CFTC, and Polymarket gradually becoming compliant through acquisitions and strategic partnerships), trading volumes continue to climb. Weekly nominal trading volumes often exceed billions of dollars, making these platforms some of the most watched sectors in fintech.

Latest Valuation Developments for Polymarket and Kalshi

Polymarket: Built on blockchain technology and popular within the crypto community, Polymarket received a strategic investment of up to $2 billion from Intercontinental Exchange (ICE), the parent company of the New York Stock Exchange, in October 2025, valuing the platform at around $9 billion at that time.

Kalshi: As the first U.S.-regulated prediction market platform approved by CFTC, Kalshi completed a $1 billion funding round in December 2025, reaching a valuation of $11 billion. The round was led by Paradigm, with Sequoia, a16z, and other prominent VCs participating.

In terms of competition, Kalshi emphasizes compliance and integration with mainstream finance (such as partnerships with Robinhood and Coinbase), while Polymarket holds advantages in global events and geopolitical markets. However, both are still in early-stage negotiations, and whether they will reach a $20 billion valuation remains uncertain.

Achieving a $20 billion valuation would further cement their leadership in the field and inject strong confidence into the fintech industry, making their future developments worth watching.