This Polymarket News today covers one of the largest funding events yet for the prediction-market sector, arriving as the industry navigates growing investor demand alongside intensifying regulatory pushback from U.S. states.
At a Glance
1789 Capital, the venture firm where Donald Trump Jr. is a partner, is set to add roughly $300 million.
The investment is part of a larger $1 billion funding round led by 1789.
If the round closes, Polymarket's valuation would rise to about $21 billion, up sharply from its previous mark.
1789 Capital's total stake would climb to around $500 million, making it one of Polymarket's biggest backers.
Intercontinental Exchange remains the platform's largest disclosed investor, holding roughly $1.6 billion in shares.
According to reporting from The Wall Street Journal, people familiar with the matter is leading a new financing round for Polymarket worth approximately $1 billion.
The round would mark one of the largest single capital raises in the prediction-market industry to date, reflecting how quickly investor appetite for event-based trading platforms has grown over the past year.
1789 Capital, where Donald Trump Jr. serves as a partner, is reportedly contributing about $300 million of new capital to the round.
The firm had already put roughly $200 million into Polymarket earlier on, meaning its cumulative investment would reach close to $500 million once the deal closes. That would place 1789 Capital among Polymarket's largest shareholders, alongside its existing backers.

Source: Wu Blockchain X
The new round would value at approximately $21 billion, a roughly 40% increase from the $15 billion valuation it secured only months earlier, in April, when it drew support from investors including D.E. Shaw and G Squared.
The rapid step-up underscores how much capital is flowing into platforms that let users trade on the outcome of elections, economic data releases, and sporting events.
While 1789 Capital's stake is expanding quickly, Intercontinental Exchange remains Polymarket's largest known investor. ICE has previously disclosed holding around $1.6 billion worth of shares, equal to roughly 22% of the company's outstanding equity.
| Funding round size | About $1 billion |
| Lead investor | 1789 Capital |
| New 1789 CI | About $300 million |
| Prior 1789 CI | About $200 million |
| Total 1789 CI | About $500 million |
| Expected valuation | About $21 billion |
| Previous valuation | About $15 billion |
| Largest disclosed investor | Intercontinental Exchange |
| ICE stake | About $1.6 billion (~22%) |
Prediction markets have moved from a niche curiosity to a mainstream financial category, driven by rising trading volumes and a policy environment in Washington that has generally favored the sector.
Trump-appointed CFTC chair Michael Selig has publicly praised prediction-market firms and pushed back against state efforts to regulate them, adding to the sense among investors that the federal posture toward the industry is shifting in its favor.
The fundraising news lands as it contends with real regulatory friction. The company settled with the CFTC in 2022 over registration failures and agreed to bar U.S. users from its core platform.
Today, at least 20 states are pursuing litigation against prediction-market operators over sports-related contracts, while the CFTC has countersued several states, arguing federal authority should override state-level rules.
A coalition of 44 state attorneys general has separately challenged the CFTC's jurisdiction over sports wagers.

Source: Official X
Shana Bautista, Polymarket's global head of investigations and intelligence and a former Coinbase analyst and FBI investigator, told Reuters the company is confident in its ability to detect suspicious trading as the midterms approach.
It uses machine learning, blockchain analytics, and third-party research to flag anomalous activity, and has referred more than 100 cases to law enforcement, including trades tied to a U.S. soldier accused of using classified information.
Even with a higher valuation, Polymarket vs Kalshi, which raised funding at a $22 billion valuation in May. The fresh capital is expected to bolster Polymarket's liquidity and operational infrastructure as competition for market share intensifies and regulatory scrutiny shows no sign of easing.
The prospective $1 billion round, and the valuation jump it would bring, signals that investor confidence in prediction markets is still accelerating despite legal uncertainty. 1789 Capital's expanding position ties one of the most prominent names in Trump-world finance directly to Polymarket's growth, even as the platform works to demonstrate it can police its markets and manage regulatory risk ahead of a closely watched election cycle.
Disclaimer: This article is for informational purposes only and does not constitute financial, investment, or legal advice. Prediction markets and related assets carry significant risk, including regulatory and market volatility. Readers should conduct independent research and consult a licensed professional before making financial decisions.