Historical Chart Study: How to Learn From Past Breakouts

Two growth stocks finish their bases in the same quarter. Each one ran more than 100% in the months before, built a tidy six- or seven-week consolidation about 10% deep,…

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Investable Universe: The List Behind Every Stock Screen

Two traders run what they call the same momentum screen on Monday morning. Both rank US equities by six-month price change, both take the top twenty, and both trust the…

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Portfolio Turnover Explained: Reading the Number Right

Two fund fact sheets sit open on my screen. One reports portfolio turnover of 28 percent for the year. The other reports 165 percent. The instinct is to read the…

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Look-Ahead Bias in Backtesting: The Timestamp Test

An equity curve slopes up and to the right, smooth, barely a drawdown across ten years. It reads like a finished strategy. Then you check one detail: the ranking that…

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