A Chinese Stock Screen Using Price Movement, Listing Age, and Volume Ratios

Summary

This Chinese-language post proposes a stock-selection screen based on a daily price movement threshold, a listing history longer than one year, and a ratio between today’s auction volume and the prior day’s volume that falls between 0.5 and 2. The rationale is to seek actively traded stocks while avoiding newly listed shares and unusually large or small volume changes. The article also suggests adding technical and fundamental measures, such as moving averages, MACD, valuation, and risk metrics, to broaden the analysis.

The post includes example indicator logic and a Python stock-selection sketch, but the implementations do not clearly match the stated screen: the code uses daily volume and price-change data rather than a clearly identified auction-volume field, and its movement calculation is not a complete measure of intraday amplitude. No backtest results, holding rules, transaction costs, or evidence of profitability are supplied. The screen is therefore a preliminary filter whose definitions and data handling would need validation before use.

Key ideas

• The proposed screen requires a price movement greater than 1 and a listing age exceeding one year.
• It selects for an auction-volume to prior-day-volume ratio between 0.5 and 2.
• The article presents activity and price stability as the motivation for the volume-ratio bounds.
• It recommends combining the screen with other technical, fundamental, and risk measures.
• The sample code does not clearly implement the stated auction-volume condition, and no performance evidence is given.

Tags

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