Chinese Stock Screening with Price Range, Reversal, and Trading Flow

Summary

This note describes a Chinese equity screen combining a daily price-range threshold, a reversal or engulfing pattern, and a ratio of external to internal trading volume above 1.3. Its expanded version also adds positive price-to-earnings and price-to-book ratios and filters for index membership. The document provides example indicator logic and a Python-style implementation, but no backtest results or evidence that the screen is profitable.

The author says the rules are easy to understand but may be biased and uncertain because they use few signals. The screen omits broader fundamentals and changing market or policy conditions. The note suggests adding technical and fundamental measures or using systematic methods to assess indicators. The examples have implementation limits: the reversal condition and index filters may not match the prose exactly, and the code does not establish how the signals should be tested or traded.

Key ideas

• The screen combines a daily range filter, a reversal pattern, and an external-to-internal trading-volume ratio threshold.
• The expanded rules add positive valuation ratios and index-membership filters.
• The note offers indicator and Python examples but reports no performance evidence.
• The author cautions that a small set of technical and flow signals may omit important market and company factors.

Tags

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