Chinese Stock Screen Using Range, Float Size, and a Rising 30-Day Average

Summary

This Chinese-language post proposes a stock screen using three conditions: daily price amplitude above 1%, tradable share count no greater than 5.5 billion shares, and price above its 30-day moving average. It presents amplitude as a way to find more volatile names, the float limit as a small-cap filter, and the moving-average condition as a short-term upward trend signal. Example formulas and Python-style pseudocode show how to combine the filters and rank candidates, including by volume ratio.

The post cautions that the screen omits company fundamentals and that a rising average may reflect only a short-lived move. It suggests adding valuation and dividend measures or other technical indicators, and mentions machine learning as a possible extension. No backtest methodology, returns, benchmark, or transaction-cost analysis is supplied, so the proposed filters and suggested refinements are not evidence of profitability. The examples also use price relative to the moving average as the trend test; they do not establish that the average itself is rising.

Key ideas

• The proposed screen combines amplitude above 1%, a float ceiling of 5.5 billion shares, and price above its 30-day average.
• The post associates the filters with volatility, smaller share float, and short-term trend exposure.
• Example implementations combine the conditions and rank qualifying stocks by volume ratio.
• The author warns that technical filters alone omit company fundamentals and may misread short-lived price moves.
• No performance testing or evidence of profitability is provided.

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