Kalshi's Price Feeds as Data Products

Kalshi’s data business matters because the highest margin product on the exchange may end up being the probabilities, not the trades. Once a market is liquid, every tick in the price becomes a live estimate of odds on a Fed move, election result, or crypto level. Kalshi already exposes public real time market data and order books through its API, which makes those feeds easy to package for terminals, newsrooms, and trading systems.

• There is clear market demand for prediction market data infrastructure. Dome is building a unified API on top of Kalshi and Polymarket because builders and trading firms want faster data, historical datasets, deeper analytics, and cross platform matching. That is a strong signal that raw exchange data is already useful as a standalone input.
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• The closest comparable is Polymarket, which chose to monetize partly through data distribution instead of fees alone. ICE invested in Polymarket in October 2025 and became a global distributor of its event driven data to institutions, showing that major financial data vendors see prediction market prices as sellable information products.
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• Kalshi has the ingredients to do the same with a more regulated flavor. It runs a CFTC licensed exchange, already serves market makers across finance, crypto, and sports contracts, and announced a Barchart partnership in November 2025 to distribute its prediction market data to institutional users and traders.
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The path forward is for prediction markets to split into two businesses at once, transaction venues and information networks. As liquidity deepens in elections, economics, weather, sports, and crypto, Kalshi’s feed can become a default odds layer that other apps, brokers, and media products plug into, with software like margins and much broader reach than the consumer app alone.