The Rational Reminder Podcast: Episode 392: The Rise of ETF Slop (opens in new tab)

ETFs were once almost synonymous with low-cost, sensible investing. But that era is changing fast. In this episode, Ben Felix, Dan Bortolotti, and Ben Wilson introduce and unpack the concept of “ETF slop”—the explosion of complex, high-fee, behaviorally engineered ETFs that are designed to attract assets rather than improve investor outcomes. The trio traces how ETFs evolved from simple index-building tools into wrappers for increasingly speculative strategies. They discuss how the ETF “halo ...