Screening Chinese Stocks by Intraday Decline and Afternoon Large-Order Flow

Summary

This Chinese equity screening idea combines three conditions: price amplitude above a threshold, a day’s maximum decline between roughly four and five percent below the reference level, and net large-order inflow during the afternoon. It is presented as a way to find stocks with notable price movement that also show a short-term large-order flow signal. The document describes the rule and includes example indicator and Python implementations, but it provides no backtest, transaction-cost analysis, or evidence that the screen predicts returns.

The author warns that the selection is heavily driven by technical behavior and short-term liquidity, with limited attention to company fundamentals. It may omit less liquid firms with durable growth and may overemphasize temporary capital flows. The suggested refinement is to add fundamental and longer-term investment considerations. The examples should be treated as references: the code’s detailed conditions do not fully mirror the prose description, so the intended screening logic should be clarified and validated before use.

Key ideas

• The screen combines price amplitude, a specified intraday drawdown range, and afternoon large-order net inflow.
• Its rationale is to combine price movement with a short-term measure of capital flow.
• The document offers example formulas and code but reports no performance testing.
• The screen may overlook fundamentals and companies with weaker short-term liquidity.
• The described logic and implementation examples are not fully consistent and require validation.

Tags

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