Screening Chinese Stocks for Large Intraday Ranges and Sharp Declines

Summary

This post outlines a short-term Chinese equity screen for stocks with an intraday range above 1, a day's maximum decline between 4% and 5%, and exclusion of the STAR Market. Its rationale is that a sharp move may create a rebound opportunity, while excluding STAR Market stocks is presented as a way to avoid some technology-stock risk. The document also includes a Python example that adds market capitalization, price-to-book, price-to-earnings, and data-history filters.

The screen is based on recent price movement and does not include reported testing or evidence that selected stocks rebound. The post cautions that short-term technical conditions can pick stocks in persistent declines and that the simple rule may overlook fundamentals and liquidity. It suggests incorporating sentiment, capital-flow, and fundamental information, as well as regular risk assessment. The sample code is illustrative, and its additional filters mean its full selection process is broader than the headline criteria.

Key ideas

• The core screen looks for an intraday range above 1 and a maximum daily decline between 4% and 5%, excluding STAR Market stocks.
• The post interprets a sharp decline as a possible rebound setup but supplies no supporting performance evidence.
• Its Python example adds valuation and market-capitalization filters beyond the headline criteria.
• The author warns that short-term price conditions can select stocks in sustained downtrends.
• Sentiment, capital flows, fundamentals, and risk controls are suggested as possible additions.

Tags

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