Chinese Stock Screen Using Daily Range and 10-Day Price Gains

Summary

This Chinese A-share screening rule requires a daily high-low range greater than 1%, excludes stocks identified as Beijing listings, and keeps stocks whose 10-day price gain is above zero but below 35%. The source describes the range as a volatility filter and the return band as a short-term price-trend condition. It also includes sample indicator and Python logic and mentions ranking candidates by market capitalization when selecting holdings.

The article cautions that short-term price movement alone ignores fundamentals and longer-term trends, and that excluding a region may overlook opportunities while failing to address other risks. It recommends broadening the analysis and testing the parameter choices. The later “optimized” description shifts to general advice rather than a precise revised rule, and the examples contain implementation ambiguities, including a mismatch in the return-window expression. No results or backtest evidence are given, so the thresholds should be understood as an illustrative screen rather than a demonstrated source of returns.

Key ideas

• The screen requires a daily high-low range above 1%.
• It excludes Beijing-listed A-shares and limits 10-day gains to a positive value below 35%.
• The source identifies missing fundamental and long-term trend analysis as key limitations.
• Regional exclusion does not account for other possible risks.
• The article supplies no performance evidence, and its sample implementation has ambiguities.

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