Polymarket is in active discussions to raise $400 million in fresh capital, a move that would value the prediction market platform at around $15 billion, according to reporting from Reuters.
The proposed round builds on a surge of institutional interest in prediction markets, a sector that has expanded rapidly in both user activity and trading volume over the past year. Polymarket is also exploring participation from additional strategic investors, which could push the total funding size to as much as $1 billion.
Institutional backing deepens with ICE involvement
The new fundraising effort comes shortly after a major commitment from Intercontinental Exchange, the parent company of the New York Stock Exchange. ICE invested $600 million into Polymarket in late March and has outlined plans to allocate up to $2 billion into the platform.
This capital injection has strengthened Polymarket’s position in a competitive market that now attracts traditional finance players at an accelerating pace.
The company has not publicly commented on the latest fundraising discussions. However, multiple reports confirm that it aims to diversify its investor base beyond ICE, a step that indicates long-term positioning rather than reliance on a single backer.
Trading volumes highlight rapid market expansion
Prediction markets allow users to place bets on real-world outcomes across sectors such as politics, sports, finance, and geopolitics. Polymarket has recorded strong growth in this segment.
Token Terminal data shows daily trading volume on the platform totaled $145 million. Monthly activity across the broader prediction market sector has consistently exceeded $10 billion.
Rival platform Kalshi has also seen rapid expansion. Its latest funding round placed its valuation at about $22 billion, roughly double its late-2025 level. The competition between these platforms is part of a larger trend toward trading products that are based on events.
Wall Street firms move toward prediction markets
Traditional financial institutions have started to enter the space through product development and partnerships.
Nasdaq has filed through its MRX options exchange to introduce binary-style contracts tied to the Nasdaq-100 index. Cboe Global Markets is working on a similar offering. CME Group has partnered with FanDuel to expand into event-based markets.
Other major firms, including Charles Schwab and Citadel Securities, have indicated that they are evaluating entry into the sector.
This wave of institutional activity has reshaped how prediction markets operate. Platforms now compete not only on user experience but also on regulatory positioning and financial infrastructure.
Legal scrutiny intensifies across the United States
Rapid growth has drawn regulatory attention. Several US states have accused prediction market platforms of operating as unlicensed gambling businesses.
Concerns have also emerged around insider trading and market manipulation. Lawmakers have begun to respond with proposed legislation aimed at tightening oversight.
US senators Adam Schiff and John Curtis introduced the "Prediction Markets Are Gambling Act," which seeks to restrict certain types of contracts, particularly those linked to sports or casino-style outcomes.
Kalshi faces a legal dispute with the Nevada Gaming Control Board, which argues that its contracts constitute unlicensed gambling. A court has temporarily blocked Kalshi from operating in the state. Paul Grewal has stated that the case could reach the US Supreme Court, which would set a broader precedent for the sector.
Platforms respond to compliance and risk concerns
Both Polymarket and Kalshi have taken steps to address regulatory pressure. The platforms introduced additional safeguards to limit insider trading risks and market abuse.
These measures include stricter screening tools and tighter restrictions on certain markets. The changes reflect growing awareness of compliance challenges as the sector expands.
At the same time, investor appetite remains strong. The proposed $15 billion valuation for Polymarket shows confidence in the platform’s growth trajectory, even as legal risks persist.
Sector growth continues despite uncertainty
Prediction markets gained momentum during the 2024 US election cycle and have since expanded into a broad range of topics. Users now trade on outcomes tied to financial results, geopolitical conflicts, and cultural events.
The combination of high engagement and large trading volumes has attracted both retail users and institutional capital. Polymarket’s current fundraising effort demonstrates how investors view the sector as a long-term opportunity despite regulatory uncertainty.
The outcome of ongoing legal cases and policy debates will likely shape the next phase of growth. For now, capital continues to flow into the space, with Polymarket at the center of that expansion.
Roman Zaika
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