Williams %R
威廉指数(Williams%Rate)是由拉瑞·威廉于1973年的《我如何赚取百万美元》一书中首先发表的,所以以他的名字命名,原名叫“威廉超买超卖指数”,简称WMS%R或%R。该指数是利用摆动点来度量市场的超买超卖现象,所以可以此预测循环周期内的高和低点,找出其有效信号,是分析市场短期行情走势的技术指标。计算时先要决定周期天数,用此数取一个买卖循环的半数。许多分析家认为一个买卖循环为28天,除开周六、日,实际交易日为20天。一个较长的买卖循环期为56天,除开周六、日,交易日是40天,如各取其一半正好是10天和20天。也有取5天周期来计算%R的
In technical analysis, this is a momentum indicator measuring overbought and oversold levels, similar to a stochastic oscillator. It was developed by Larry Williams and compares a stock's close to the high-low range over a certain period of time, usually 14 days.
It is used to determine market entry and exit points. The Williams %R produces values from 0 to -100, a reading over 80 usually indicates a stock is oversold, while readings below 20 suggests a stock is overbought.
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