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Young Traders Making Millions in Prediction Markets: From Movie Scores to the Next Pope

Emilia Wright | May 23, 2025

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How Young Traders Are Getting Rich Betting on Everything from Rotten Tomatoes Scores to the Next Pope

As the realm of financial trading continues to evolve, a new wave of young traders is making their mark, capitalizing on the burgeoning world of prediction markets. Platforms such as Kalshi, Polymarket, and ForecastEx by Interactive Brokers enable traders to place bets on a variety of outcomes, ranging from mundane topics like egg prices to the more profound question of who will be the next pope.

The Nuances of Prediction Markets

Despite the Catholic Church’s teachings against gambling, traders on Kalshi have wagered over $10 million on the question, “Who will be the next Pope?” This statistic highlights the growing complexity and reach of prediction markets. With the sophistication of trading strategies echoing those in traditional financial markets, individuals are now engaging in arbitrage and market-making, showcasing their acumen in monetizing bets.

Meet a New Generation of Market Makers

One such trader, Coby Shpilberg, a 21-year-old from Palo Alto, California, exemplifies this new breed. With a background in data analytics, Shpilberg co-founded a clinical trial startup, but his passion for trading on Kalshi led him to develop a unique advantage. Initially focusing on Rotten Tomatoes scores for movies, he discovered that outdated algorithms weren’t enough to ensure profitability. His shift in strategy toward market-making became the key to his success.

According to Shpilberg, “What I was trying to do was essentially arbitrage. I had information where I thought I was quicker than everyone else.” After some early losses, he adopted a new mindset that ultimately led him to profit. This reflects the transition many traders undergo as they learn the intricacies of the market, where adopting sophisticated strategies is essential.

The Mechanics of Market-Making

Market makers play a critical role in financial ecosystems. By buying and selling considerable volumes of contracts, they ensure liquidity. Their profitability stems from a spread—the difference between the price buyers are willing to pay and the price sellers ask for. Shpilberg’s approach to market-making on Kalshi, despite its binary nature, is very similar.

On Kalshi, contracts feature a “yes” side and a “no” side, each paying out $1 upon the outcome of an event. The market reflects anticipated probabilities; for instance, a “yes” contract priced at $0.60 indicates a 60% likelihood of occurrence. Shpilberg capitalizes on this structure by placing buy and sell orders to secure profitable spreads, demonstrating that effective market-making requires a strategic and calculated approach.

The Role of Technology in Trading

Shpilberg has also harnessed the power of technology to enhance his trading efficiency. Using algorithms developed with ChatGPT and the Kalshi application programming interface (API), he automates much of his market analysis. This technological integration allows him to streamline his trading process, leading to significant profits—over $165,000 in just a few months.

Nevertheless, market-making isn’t without risks. Fast market shifts can lead to holding positions at unfavorable prices, requiring traders to enforce strict parameters regarding their trades. As Shpilberg notes, “Kalshi is a really cool playground to flex these skills,” indicating that these platforms offer unique opportunities for innovative traders.

The Classroom to the Trading Floor

Interestingly, the trend of algorithmic trading has permeated academia as well. Students from the University of Southern California created a Kalshi market-making algorithm as part of their coursework, achieving profits through simulated probability models based around the S&P 500. This reflects a growing trend where education and practical trading experience intersect, enabling new talent to emerge in the marketplace.

The Future of Prediction Markets

Traders on Kalshi utilize various strategies beyond market-making, including arbitrage, which emphasizes the predictive aspect of trading. As Hunter Foschini, a 23-year-old sales professional, asserts, “I actively look for profitable opportunities daily.” Some traders have even reached seven-figure profits, showcasing the potential of prediction markets as legitimate revenue sources.

As the landscape of prediction markets continues to evolve, experts like Davide Accomazzo from Pepperdine Graziadio Business School suggest that the increasing influx of money will lead to more efficiency within these systems. With the potential for prediction markets to resemble traditional derivative markets, the financial community is witnessing a significant shift marked by the ingenuity of young traders.

The rise of prediction markets not only fosters a democratized trading environment but also heralds the emergence of a new generation of market makers determined to exploit these fresh opportunities. As this niche continues to develop, it will undoubtedly reshape the way we perceive trading and investing.