William J. O'Neil
Timeline
A beginner-friendly sequence of major milestones.
Learning timeline
William J. O'Neil's timeline should be read as a process of building capability. Beginners can learn that an investing style is not formed in one day; it is built from experience, mistakes, and multiple market cycles.
1933-2023: main period of activity and influence.
Investor's Business Daily: firm or vehicle associated with the investor.
Lesson: study how the method evolved over time, not just one famous investment.