• Tradeweb (TW) integrates Kalshi's prediction market data and analytics into its electronic trading platform, aiming to boost institutional participation.
  • The partnership taps into one of the fastest-growing asset classes in the U.S., with event contracts increasingly used for risk management and trading strategies.
  • This move follows Kalshi's recent retail expansion via Webull (BULL) and comes amid a complex regulatory landscape, including state-level restrictions and ongoing legal challenges.

Tradeweb and Kalshi have announced a strategic partnership to expand institutional access to prediction market data and analytics, integrating Kalshi's offerings into Tradeweb's electronic trading platform. The deal, confirmed by people familiar with the matter, aims to advance institutional participation in prediction markets by leveraging Tradeweb's infrastructure, which serves clients globally. Efforts to broaden prediction markets beyond retail investors have hit a snag in some states, but this partnership signals a push into mainstream finance.

Kalshi, the first CFTC-regulated exchange for prediction markets, enables investors to trade event contracts—binary yes/no positions on whether future events will occur. Backed by prominent investors including Sequoia Capital, Charles Schwab (SCHW), and Y Combinator, the platform has seen significant growth, with one aggregation platform reporting nearly $200 million in annualized trading volume after integrating Kalshi and Polymarket. Without such partnerships, Kalshi might struggle to reach its target of $100 billion in annual trading volume, according to industry analysts.

Professional traders and institutions are increasingly treating event contracts as legitimate risk management tools rather than speculative instruments. Systematic traders are hunting arbitrage opportunities across prediction market venues, using strategies borrowed from equities and derivatives, with Wall Street quants actively moving into the space. "We're seeing a convergence where prediction markets are becoming part of the standard toolkit for monitoring geopolitical risks and macro events," said a source close to the deal, who requested anonymity because discussions are private. Tradeweb did not immediately respond to a request for comment on the integration timeline.

The regulatory environment remains unsettled, with state-level restrictions posing challenges. Tennessee regulators, for example, ordered Kalshi, Polymarket, and Crypto.com to shut down prediction market operations in the state by the end of January. Kalshi is also fighting a court ban in Massachusetts that threatens its sports contracts. Despite these hurdles, the partnership with Tradeweb could help normalize prediction markets in institutional circles, offering a regulated avenue for accessing event-based data.

This deal follows Kalshi's February 2025 partnership with Webull to offer binary event contracts to retail investors, with rollout expected within weeks. Other developments include collaborations with firms like Solidus Labs for trade surveillance, indicating a broader industry trend toward consolidation and professionalization. As prediction markets evolve, they're positioning themselves as infrastructure for pricing uncertainty, rather than mere gambling instruments—a shift that could reshape how institutions manage event risk in volatile markets.

Correction: An earlier version of this article misstated the annualized trading volume figure; it has been updated to reflect the correct amount.