In an unexpected twist for the prediction market sector, bitter competitors are pooling capital. Kalshi and Polymarket, currently locked in a heated battle for user dominance, are both backing 5(c) Capital, a new venture firm targeting the infrastructure beneath these betting platforms.

The fund, named after the regulatory clause enabling these markets, is securing $35 million for its inaugural pool. Both Tarek Mansour of Kalshi and Shayne Coplan of Polymarket are putting skin in the game, alongside heavyweights like Marc Andreessen and Ribbit Capital's Micky Malka. Former Kalshi employees Adhi Rajaprabhakaran and Noah Zingler-Sternig lead the initiative.

Why would rivals collaborate? The thesis targets the plumbing rather than the consumer face. 5(c) Capital plans to back roughly 20 startups building essential infrastructure: market makers, index designers, and data orchestration layers. For engineering teams, this signals a shift toward maturing the underlying technology stack rather than just acquiring users. Reliable oracle mechanisms and low-latency processing are becoming priority investments. Engineers building oracle systems or real-time pricing models will likely see increased funding opportunities as the fund prioritizes technical depth over consumer apps.

The financial stakes remain massive. Kalshi is currently raising $1 billion at a $22 billion valuation, doubling its worth from just months prior. Polymarket is negotiating a round valuing them near $20 billion. While they fight for market share on the frontend, both sides agree the backend ecosystem needs capital to sustain growth. This rare alignment suggests the industry is moving past experimental phases into building robust, scalable data infrastructure capable of handling real-world volatility. As prediction markets integrate deeper into financial tools, the demand for engineered reliability outweighs temporary competitive friction.

Source: TechCrunch