Tidal Investments and Subversive Capital have filed a prospectus with the SEC for a "Subversive All Season Sports ETF," which would invest in event contracts tied to sports outcomes. This actively managed fund aims to generate capital appreciation by having a professional sports gambler manage a diversified portfolio of 40 to 80 bets at a time, primarily through over-the-counter swaps giving exposure to Kalshi event contracts. The filing also includes a related "Subversive Prediction ETF" for broader economic, regulatory, climate, and global events.

While Bloomberg Intelligence senior ETF analyst Eric Balchunas suggests that prediction market funds could generate significant alpha due to less analyst coverage in areas like sports and crypto, he notes that regulators, particularly the SEC, are proceeding cautiously. Balchunas theorizes that the SEC wants a consistent framework for approving such novel funds to avoid a flood of filings, potentially 500 to 1,000, if they were to approve just one.

However, Athanasios Psarofagis, another ETF analyst at Bloomberg Intelligence, questions the market's demand for an ETF wrapper for sports betting. He points out that existing prediction market apps like Kalshi are already easily accessible, and the joy of betting often comes from personal involvement. Psarofagis stated, "If I go to Vegas, I don’t want to give you my money to go play blackjack or roulette. It feels like they’re outsourcing all the fun.

Despite the potential for outperformance by skilled managers, the concept raises concerns about whether retail investors would embrace an ETF that essentially outsources the betting experience. The SEC's approval is still pending, making the actual launch of these event contract ETFs uncertain.