Stock Screening by Large-Order Flow, Price Range, and Recent Limit-Up

Summary

This Chinese stock-screening post proposes selecting shares with a price range threshold, positive large-order net volume for at least three consecutive days, and a limit-up event within the previous month. The stated rationale is to combine trading activity and recent market attention as signals of investor interest. The post also warns that the screen may omit company fundamentals and can expose users to sharp individual-stock moves or risks from chasing recent winners.

The article includes a code example, but its implementation does not cleanly match the written criteria: its range filter differs from the described threshold, its rolling sum does not establish consecutive positive daily readings, and its limit-up proxy is not clearly equivalent to detecting an event during the stated lookback. No backtest results, benchmark, transaction-cost assumptions, or out-of-sample evidence are supplied. Treat the rules as a screening idea that requires careful data and logic checks, not a demonstrated source of returns.

Key ideas

• The proposed screen combines price range, sustained positive large-order net volume, and a recent limit-up event.
• The rationale is that trading activity and recent price strength may reflect market attention.
• The post acknowledges that the screen omits fundamental analysis and remains exposed to sharp declines.
• The sample code appears inconsistent with parts of the written rules and needs validation.
• No performance evidence or transaction-cost analysis is provided.

Tags

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