Screening Chinese A-Shares by Volume Ratio and a Rising 30-Day Average

Summary

This stock selection method combines three filters: rank stocks by volume ratio and retain the top 100, exclude Beijing-listed A-shares, and require the 30-day moving average to be rising. The stated rationale is to focus on relatively active stocks while avoiding names judged to be in a weakening trend. The document also sketches how to calculate volume ratio and a rolling 30-day average, though it does not give a complete, reproducible trading system.

The material identifies limits rather than reporting test results. Volume ratio can shift with sentiment and changing flows, and a moving average can respond imperfectly to price fluctuations. It suggests considering other activity measures, such as turnover or trading value, and other trend windows. The Beijing exclusion is described as a code-based filter, but the shown example appears inconsistent with that purpose. No holding period, entry timing, exit rule, transaction costs, portfolio construction, or performance evidence is provided, so the screen alone cannot establish an investable strategy.

Key ideas

• The screen ranks stocks by volume ratio and selects up to the top 100.
• It excludes Beijing-listed A-shares and requires an upward-sloping 30-day moving average.
• The stated goal is to combine trading activity with a basic trend filter.
• Volume ratio and moving averages can both give misleading signals.
• The document gives no complete trading rules or performance results.

Tags

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