A Volatility and Price-Surge Screen with Positive Earnings Valuation

Summary

This proposed equity screen looks for stocks with a stated amplitude threshold, at least one daily gain of 10% or more during the prior 25 trading days, and a positive price-to-earnings ratio. Its stated rationale is to combine elevated price movement and recent strength with a basic profitability-related valuation filter. The article suggests adding measures such as book value or return on equity, and considering industry prospects, competitive position, technical indicators, and market sentiment.

The document identifies risks from relying on past price behavior, omitting broader company fundamentals, and ignoring industry conditions. It provides illustrative formula and Python snippets, but these are incomplete: the examples do not clearly implement the 25-day lookback, and the suggested additional filters are placeholders. No backtest or performance results are reported. The screen therefore describes a candidate selection rule, not a demonstrated strategy, and its thresholds and implementation would need careful specification and testing.

Key ideas

• The proposed screen combines a price-amplitude condition, a recent large daily gain, and positive price-to-earnings ratio.
• The recent gain condition is described over the prior 25 trading days.
• Suggested refinements include broader fundamentals, industry analysis, and additional technical or sentiment inputs.
• The example code leaves important conditions incomplete and does not clearly implement the stated lookback.
• No performance evidence is given, and historical price strength may not persist.

Tags

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.