Two people placing football bets on a cell phone.

52% of Gen Z investors have redirected investing money to sports bets

Research by an ASU finance expert investigates stock market returns over the past century.

In this article published Aug. 28, 2026, on CNBC:

Over the past century, the stock market has averaged an annual weighted return of around 10%, according to research from Hendrik Bessembinder, a professor at the W. P. Carey School of Business at Arizona State University. Assuming the market continues on that trajectory, a $10,000 investment could grow into more than $452,000 over the course of 40 years. Sports betting can offer an immediate 100% return or more if you win, but over the long run generally produces a much lower expected return — a net loss, in fact, in most cases.

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