Collaboration bridges Kalshi's prediction markets with Tradeweb's institutional experience with goal of developing the first institutional-focused marketplace for event contracts

Tradeweb makes minority investment in Kalshi

Tradeweb Markets Inc. (NASDAQ:TW), a leading global operator of electronic marketplaces for rates, credit, equities, and money markets, facilitating more than $2.6 trillion in notional value traded on average per day, and Kalshi, the largest regulated prediction market, today announced a strategic partnership. The companies will collaborate with the goal to expand institutional access to Kalshi's prediction market data and analytics and advance market infrastructure for prediction markets trading to institutional investors through Tradeweb's global electronic trading platform. Tradeweb has also made a minority investment in Kalshi.

As institutional participants increasingly seek forward-looking, data-driven signals to help manage risk, prediction markets are rapidly becoming an invaluable source of signal for investors looking to navigate complex market dynamics. Through this strategic partnership, Tradeweb aims to combine its global institutional distribution, track record of shaping institutional markets, and electronic trading capabilities with Kalshi's real-time event-driven data and leadership in prediction markets. Together, the companies aim to integrate probabilistic, forward-looking risk signals directly into core trading workflows used by Tradeweb's more than 3,000 institutional clients, designed to deliver greater transparency, execution efficiency, and actionable intelligence across global macro markets.

Billy Hult, CEO of Tradeweb, said: "Prediction markets are increasingly becoming a key part of the trading landscape, and have the potential to become an indicator for institutions to dynamically assess macro risk and allocate capital more effectively. As a leading global operator of electronic marketplaces across asset classes, Tradeweb has invested in Kalshi based on our belief that the institutional trading stack will soon evolve to pair high-quality event data with modern market structure. Together, we're positioned to deliver prediction markets intelligence to clients and, over time, build the prediction markets trading infrastructure that meets the standards of our institutional community."

Advancing Event-Driven Data & Analytics for Institutional Investors

As the first step in the collaboration, Tradeweb and Kalshi seek to deliver an integrated data experience that incorporates Kalshi's real-time event probabilities and market data directly into Tradeweb's rates and credit marketplaces, including UI, APIs, and data-download tools.

The companies plan to co-develop new institutional-grade analytics utilizing both Kalshi's event probabilities and Tradeweb's existing pricing, liquidity, and macro-intelligence datasets, enabling institutional participants to analyze unique market signals inclusive of new forecasting, risk management, and pricing models and incorporate them into trading strategies.

Developing the First Institutional Framework for Event-Contract Trading

Tradeweb and Kalshi will also explore the development of an institutional-focused portal for event contracts, combining Tradeweb's central role in macro risk trading and expertise in market design with Kalshi's preeminent depth across macroeconomic and policy outcomes.

Leveraging Kalshi's advanced prediction markets platform, this initiative will focus on providing access to standardized event contracts including macroeconomic releases, Fed policy, political elections, and other key policy outcomes, with Tradeweb acting as the institutional front end to this potential new marketplace.

Tarek Mansour, Co-Founder & CEO of Kalshi, said: "I witnessed the institutional demand for prediction markets firsthand ten years ago. Investors were trying to figure out how to price and manage risks related to Brexit and the upcoming election. Institutional adoption requires scale, regulation, trust, and substantial liquidity. Today, Kalshi has the scale, breadth of markets, and liquidity required to help institutions manage the risks they face. Partnering with Tradeweb will help us accelerate the adoption we are seeing.

About Tradeweb Markets

Tradeweb Markets Inc. (NASDAQ:TW) is a leading, global operator of electronic marketplaces for rates, credit, equities, and money markets. Founded in 1996, Tradeweb provides access to markets, data and analytics, electronic trading, straight-through-processing, and reporting for more than 50 products to clients in the institutional, wholesale, retail, and corporates markets. Advanced technologies developed by Tradeweb enhance price discovery, order execution and trade workflows while allowing for greater scale and helping to reduce risks in client trading operations. Tradeweb serves more than 3,000 clients in more than 85 countries. On average, Tradeweb facilitated more than $2.6 trillion in notional value traded per day over the past four fiscal quarters. For more information, please go to www.tradeweb.com.

About Kalshi

Founded in 2018, Kalshi is the world's largest prediction market. Prediction markets provide accurate, real-time information on the likelihood of events, making humanity more informed about the future. As the first regulated exchange for events, Kalshi is credited with legalizing and establishing prediction markets as a financial asset class. It's the leading safe and regulated platform trusted by millions of people in America. To learn more about Kalshi, visit www.kalshi.com.

Forward-Looking Statements

This release contains forward-looking statements within the meaning of the federal securities laws. Statements related to, among other things, our outlook and future performance, the industry, and markets in which we operate, our expectations, beliefs, plans, strategies, objectives, prospects and assumptions and future events are forward-looking statements.

We have based these forward-looking statements on our current expectations, assumptions, estimates and projections. While we believe these expectations, assumptions, estimates, and projections are reasonable, such forward-looking statements are only predictions and involve known and unknown risks and uncertainties, many of which are beyond our control. These and other important factors, including those discussed under the heading "Risk Factors" in the documents of Tradeweb Markets Inc. on file with or furnished to the SEC, may cause our actual results, performance, or achievements to differ materially from those expressed or implied by these forward-looking statements. Given these risks and uncertainties, you are cautioned not to place undue reliance on such forward-looking statements. The forward-looking statements contained in this release are not guarantees of future events or performance and future events, our actual results of operations, financial condition or liquidity, and the development of the industry and markets in which we operate, may differ materially from the forward-looking statements contained in this release. In addition, even if future events, our results of operations, financial condition or liquidity, and events in the industry and markets in which we operate, are consistent with the forward-looking statements contained in this release, they may not be predictive of events, results, or developments in future periods.

Any forward-looking statement that we make in this release speaks only as of the date of such statement. Except as required by law, we do not undertake any obligation to update or revise, or to publicly announce any update or revision to, any of the forward-looking statements, whether as a result of new information, future events or otherwise, after the date of this release.

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Tradeweb Media Contacts:

Daniel Noonan, Tradeweb

+1 646 767 4677

daniel.noonan@tradeweb.com

Savannah Steele

+1 646 767 4941

savannah.steele@tradeweb.com

Tradeweb Investor Contacts:

Ashley Serrao

+1 646 430 6027

ashley.serrao@tradeweb.com

Sameer Murukutla

+1 646 767 4864

sameer.murukutla@tradeweb.com

Kalshi Media Contacts:

Elisabeth Diana

media@kalshi.com

Tradeweb and Kalshi Announce Strategic Partnership to Expand Institutional Access to Prediction Markets