This video discusses the usefulness of insider trading information for outside investors. It examines studies on insider buying and selling, noting that while insider buying generally correlates with stock price increases, it's a noisy signal. Selling by insiders appears to be a stronger indicator of future stock price declines, especially in smaller firms. The discussion also touches on how regulations and company practices have evolved, impacting the availability and interpretation of insider information.
Source Post
Session 23 (of 42): Information Trading - Following the Insiders
Mar 24, 2026
This video discusses the usefulness of insider trading information for outside investors. It examines studies on insider buying and selling, noting that while insider buying generally correlates with stock price increases, it's a noisy signal. Selling by insiders appears to be a stronger indicator of future stock price declines, especially in smaller firms. The discussion also touches on how regulations and company practices have evolved, impacting the availability and interpretation of insider information.
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