The NYSE Owner Just Put $600 Million More Into Polymarket — Here’s Why

TLDR

• Intercontinental Exchange (ICE), owner of the NYSE, added $600 million to its Polymarket investment
• Total ICE commitment to Polymarket is now close to $2 billion
• Rival Kalshi raised over $1 billion at a $22 billion valuation with $1.5 billion in estimated annual revenue
• Polymarket acquired a licensed exchange and clearinghouse and partnered with Palantir and TWG AI for trade surveillance
• Lawmakers are questioning whether prediction markets are vulnerable to manipulation

Intercontinental Exchange, the company that owns the New York Stock Exchange, has added $600 million to its investment in Polymarket, a platform where users trade on the outcomes of real-world events.

The new funding follows a $1 billion investment ICE made in October 2025. ICE also plans to purchase up to $40 million in additional shares from existing Polymarket holders. That brings its total commitment to close to $2 billion.

ICE said the investment is not expected to have a material impact on its financial results or capital return plans.

The full valuation of Polymarket will only be disclosed once the current funding round is complete, the company said.

Polymarket lets users buy and sell shares tied to the outcome of future events. Those events range from election results to economic data releases like inflation figures. Share prices move in real time based on trader activity.

Prediction markets have moved quickly from a niche corner of crypto and academic finance into a fast-growing trading segment. User activity and trading volumes have surged over the past two years.

ICE’s Rival in the Space

Polymarket is not alone in attracting large sums of money. Kalshi, a competing prediction market platform, recently raised more than $1 billion at a valuation of $22 billion. That is roughly double its previous valuation.

Kalshi is also generating an estimated $1.5 billion in annual revenue, pointing to strong demand for event-based trading products.

The growth of both platforms has drawn attention from lawmakers and regulators. There are open questions about whether prediction markets are vulnerable to manipulation or insider trading activity.

Polymarket Builds Out Its Infrastructure

Polymarket has taken steps to prepare for closer regulatory scrutiny. Earlier this year, it acquired a licensed exchange and clearinghouse.

The platform also announced a partnership with Palantir and TWG AI. The goal is to build a surveillance system designed to detect suspicious trading and manipulation in its sports prediction markets.

These moves suggest Polymarket is trying to meet the standards expected of regulated financial markets.

ICE’s continued backing gives Polymarket ties to one of the largest exchange operators in the world. The NYSE parent has previously said it sees prediction markets as a potential new frontier in derivatives trading.

Analysts have said these products could attract more retail traders and help exchanges diversify revenue as competition increases in traditional futures and options markets.

The $600 million investment announced Friday is part of Polymarket’s latest funding round. ICE first announced its plan to invest up to $2 billion in the platform earlier this year.

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