On the 539th Sporticast episode, hosts Scott Soshnick and Jacob Feldman discuss the prediction market boom with Robinhood VP and GM of futures and prediction markets JB Mackenzie.

Global prediction market trading volume grew more than 400% from 2024 to 2025 as large financial companies including Coinbase and Robinhood have invested in the category, while teams and leagues get in on the action too. Mackenzie shared numbers on Robinhood’s prediction market growth since its launch early in 2025, as well as the company’s ambitions in the space.

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“We see our overall traders not just trading prediction markets, they are trading other assets class,” Mackenzie said. “What an amazing story to be able to say that prediction markets is a part of your overall financial portfolio.”

Robinhood currently has partnerships with Kalshi and ForecastEx to create its prediction markets, though it’s moving to create its own markets as well. That said, there are some types of sports-related markets Robinhood is not interested in, Mackenzie said, including pitch-by-pitch microbetting.

Mackenzie also shared his perspective on Kalshi and Polymarket’s at-times controversial social media marketing strategies and how his company aims to differentiate itself, in part due to the regulation it operates within.

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