AI & Machine Learning

Do stocks go up after insiders buy? I tested 47,458 open-market purchases

Ali NematiAli Nemati4 hours ago
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A recent analysis of nearly 47,500 open-market insider stock purchases between 2020 and 2025 revealed that these events don't consistently predict positive stock performance. While insiders buying shares is often seen as a positive signal, the study found that returns were often lower than those of the broader market, particularly for larger purchases. This challenges previous assumptions and highlights the importance of carefully considering benchmarks when evaluating insider trading data, as the results are highly sensitive to the comparison group used.

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