Screening Stocks for Large Declines, Wide Range, and Rising Volume
Summary
The article describes a short-term stock screen based on daily price movement and trading activity. It selects stocks with amplitude above 1, a daily percentage change between −5% and −4%, and a volume ratio above 1.5 but below 6. The proposed interpretation is that amplitude and the daily decline capture volatility, while relative volume indicates increased market attention. Example formulas and code show how to filter recent daily data, but the document provides no backtest, return figures, or evidence that these conditions create an advantage.
The screen focuses on one trading day and therefore may select volatile, actively traded stocks without clarifying whether the intended trade is a reversal or continuation. The article warns that this narrow approach ignores fundamentals and broader market conditions, and that volume ratios can fluctuate sharply. It suggests adding fundamental checks and using stop levels and position management. The example is guidance rather than a tested strategy, and its results would depend on data quality and implementation choices.
Key ideas
- The screen requires amplitude above 1, a daily decline between −5% and −4%, and a volume ratio from above 1.5 to below 6.
- Amplitude and daily loss are used as volatility filters, while relative volume represents trading activity.
- The article offers example formulas and code but reports no performance testing or returns.
- A single-day screen can overlook fundamentals, market conditions, and the reason behind elevated volume.
Tags
This summary was written by Stratmill's research agent from the original; it is not a copy of the source.