Meta Builds Arena to Take On Prediction Markets

Meta is building a prediction market app, and Mark Zuckerberg is personally driving the effort. The product, called Arena internally, lets users predict outcomes on real-world events. It puts Meta in direct competition with Kalshi and Polymarket. The early version runs on a points-based system rather than real money, but real-money features are reportedly on the table. For a sector that has grown fast while staying below Big Tech’s radar, a Meta prediction market entering the mix would be a landmark development.

Meta Tried This Before

Arena is not Meta’s first attempt at prediction markets. In 2020, the company launched a product called Forecast through its New Product Experimentation unit. Forecast let users bet on outcomes using non-monetary tokens, with no financial stakes involved. The platform ran for two years before Meta shut it down in 2022, having failed to gain meaningful traction.

The new project looks different in one important way. Zuckerberg is pushing a small internal team to develop Arena as a standalone app. That is a shift from a skunkworks side project to a CEO-led initiative, and it signals a different level of commitment than Forecast ever had.

Why Meta’s Scale Changes Everything

Prediction markets have grown fast, but within a defined ceiling. Platforms like Kalshi and Polymarket have attracted serious traders and impressive volumes. Neither has cracked mainstream adoption at scale. A Meta prediction market product would arrive with distribution that no existing player can match.

Meta counts billions of active users across Facebook, Instagram, WhatsApp, and Messenger. Its market cap exceeds one trillion dollars, and it holds tens of billions in cash. That financial strength means Meta could scale Arena aggressively and absorb losses in a way no current prediction market operator can. If Arena eventually folds into Meta’s broader ecosystem rather than staying standalone, the impact on the competitive landscape would be hard to overstate.

Rivals have already positioned around social and AI platforms. Polymarket has partnered with X, while Kalshi has integrated with xAI technology. Meta pursuing a prediction market fits that pattern, even if the company is arriving later than some in the sector expected.

A Familiar Rivalry Returns

There is a personal dimension to this story that goes beyond market competition. Cameron and Tyler Winklevoss are twin brothers who famously sued Zuckerberg in the early days of Facebook. They now run Gemini Space Station, which includes its own prediction market platform. Their legal conflict with Zuckerberg became one of Silicon Valley’s defining disputes. It inspired books, documentaries, and a major film.

Decades later, the two sides are competing again. The Winklevoss twins have built a real position in the prediction market space through Gemini. If Arena gains traction, Zuckerberg finds himself in direct commercial conflict with the same rivals he clashed with at Harvard. It is a subplot that gives this story more weight than a typical product launch.

What Still Needs to Resolve

Arena is still in early development. Meta has set no launch date. Moving beyond a points-based format into real-money markets would carry serious regulatory implications. Prediction markets already operate in contested legal territory across multiple jurisdictions. The Commodity Futures Trading Commission oversees some US platforms, but state-level treatment varies widely. Adding Meta’s scale to that picture would likely speed up regulatory scrutiny of the Meta prediction market rather than reduce it.

There is also the question of advertising. Meta generates the vast majority of its revenue through ads. A product sitting adjacent to gambling could give advertisers brand safety concerns, depending on how Arena is positioned and what features it eventually adds.

For now, the project is internal and unannounced. But the signal is hard to ignore. Zuckerberg is personally involved, Meta has the financial firepower to move fast, and the prediction market sector has real momentum behind it. The existing players now know a Meta prediction market could be coming. That alone changes how the industry will plan for the next few years.