美股宽广度指标NH-NL

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The NH–NL breadth indicator is used to measure the underlying strength or weakness of the market (Market Breadth).
It tracks how many stocks are making 52-week new highs (New Highs) and 52-week new lows (New Lows), and calculates the difference between them.

This is one of the most widely followed institutional indicators of market health, helping traders observe:

• Whether an uptrend has real breadth support (i.e., whether most stocks are participating in the advance)
• Whether weakness is spreading during pullbacks (e.g., new lows expanding rapidly)
• Whether the medium-term structure is shifting (NH–NL often reveals trend changes earlier than price)

The core purpose of this breadth indicator is to help traders assess whether the market environment is suitable for increasing risk exposure, or whether they should reduce exposure and stay cautious.


NH–NL宽广度指标用于衡量市场内部的强弱结构（Market Breadth）。
它统计市场中有多少股票创 52 周新高（New Highs） 与 52 周新低（New Lows），并计算两者的差值

这是机构最常参考的市场健康度指标之一，用于观察：
• 上涨行情是否具备广度支持（是否多数股票都参与上涨）
• 回调过程中是否有恶化迹象（新低是否快速扩散）
• 中期结构是否变化（NH–NL 案例中最常见的是趋势转折提前出现）

这个宽广度指标核心价值是让交易者判断市场是否适合提高风险敞口或是否需要降低风险并观察。

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I'll update another version early in 2026, stay tuned.