Back to News
CryptoRegulationStablecoinEthereumBitcoinDefi

Wintermute Links Kalshi and Polymarket by Providing Liquidity

Wintermute confirms its role as a liquidity provider for prediction markets Polymarket and Kalshi, enhancing trading efficiency and price accuracy.

Mercation Admin
May 29, 2026 1 min read
Wintermute Links Kalshi and Polymarket by Providing Liquidity

Wintermute Enhances Prediction Markets with Liquidity Provision

Wintermute, a leading crypto market-making firm based in London, has announced its role in providing liquidity to major prediction markets, specifically Polymarket and Kalshi. This strategic move aims to create a mechanical link between the two platforms, facilitating smoother trading and reducing price volatility.

Handling over $3.5 trillion in annual trading volume, Wintermute disclosed its efforts to quote two-sided markets across various event contracts. By acting as a liquidity provider rather than a bettor, the firm seeks to narrow spreads and support larger trades within these markets.

Jake Ostrovskis, Head of OTC Trading at Wintermute, described the liquidity landscape for prediction markets as still developing, yet increasingly in demand. He emphasized the necessity of consistent two-sided liquidity to enhance the accuracy of market prices and ensure these platforms can be trusted sources of probability estimates.

This collaboration marks a significant relationship between Wintermute and the two competing platforms, with Kalshi focusing solely on the U.S. market and Polymarket operating primarily offshore. Unlike traditional bettors, liquidity providers like Wintermute earn from the spread between buying and selling prices, functioning similarly to card dealers in a casino.

Wintermute's involvement aims to elevate these platforms from simple forecasting tools to comprehensive venues for trading event risk, thereby improving the reliability of the probabilities offered on Polymarket and Kalshi. Additionally, the firm is looking to expand its U.S. presence, coinciding with recent regulatory developments such as the CFTC's approval for Kalshi to introduce perpetual futures linked to Bitcoin's price.