A Chinese Stock Screen Combining Auction Gains, Market Size, and Moving Averages

Summary

This Chinese-language post proposes screening stocks using a pre-open gain below a stated ceiling, market size above a stated threshold, and at least five overlapping moving averages. Its accompanying explanation refers to the Shanghai Composite’s auction price and lists moving averages spanning several lookback periods. It also identifies possible screening risks, including an inaccurate auction condition, exclusions caused by the size and moving-average requirements, and the need to review results through backtesting.

The implementation shown does not reliably match that stated strategy. Its sample function compares index prices against a threshold derived from the same price series, and its moving-average check evaluates a list of selected prices rather than overlap among each stock’s averages. The post gives no backtest results or evidence that the proposed screen predicts returns; its suggested optimization is unfinished. Treat the screening idea as a rough specification that needs correction and precise definitions before implementation, rather than as a verified trading method.

Key ideas

• The proposed screen combines a pre-open gain limit, a market-size condition, and overlap among several moving averages.
• The post discusses how auction-price uncertainty and restrictive filters can affect the selected stocks.
• The sample function does not faithfully implement the described stock-level conditions.
• No performance evidence is provided, and the optimization discussion is incomplete.

Tags

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