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Quickly apply original, key PMR-published papers with Snapshots—a short article companion that distills PMR research into compressed, digestible takeaways, so you can put the paper’s core ideas to work in your investment process—fast. This Snapshot article is based on research arguing that, among 528 US-listed sector ETFs observed from 2001 to 2022, most exceeded matched T-bills but trailed SPY over their lifetimes, and most also recorded negative excess risk-adjusted lifetime returns.
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Derived from original PMR research written by Gow-Cheng Huang, Kartono Liano, and Ming-Shiun Pan using AI and an editor (2026) studied this question.
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