Snapshot article shows rules-based investment strategy outperforms S&P 500 using insider purchases, indicating potential profit.
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 a rules-based strategy using selected insider purchases outperformed the S&P 500 across 11 of 14 tested metrics in backtests from 2011 to 2023, including both in-sample and out-of-sample periods.
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Derived from original PMR research written by Robert F. Engle and Ahmet K. Karagozoglu using AI and an editor (2026) studied this question.
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