Screening Main-Board Stocks by Turnover, Daily Gains, and Convertible Bonds

Summary

This post describes a Chinese main-board stock screen requiring turnover between 3% and 12%, a daily gain above 1%, and a nonempty name for an outstanding convertible bond. It presents the bond-linked filter as a way to identify companies with convertible-bond exposure, combined with moderate trading activity and a positive daily move. Indicator references and a Python example are included to illustrate the conditions.

No backtest, return series, or selection results are provided, so the proposed connection between convertible-bond status and attractive stock performance remains untested in the document. The stated approach also omits company fundamentals, macroeconomic conditions, and other sources of systematic risk. The example adds exclusions and data checks, but it does not establish that bond exposure signals risk capacity or upside. The author suggests adding broader financial and technical measures and evaluating sectors and market conditions before relying on the screen.

Key ideas

• The screen combines a 3%–12% turnover range, a daily gain above 1%, main-board membership, and an outstanding convertible-bond name.
• The post proposes convertible-bond exposure as a stock-selection clue but provides no evidence validating that link.
• The rule omits fundamental, macroeconomic, and broader market risks.
• The example is implementation guidance, not a tested portfolio strategy.

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