S-RoC震荡指标是由弗雷德·舒兹曼发展的,发表在亚历山大·艾德的《以交易为生》一书中。该指标是变动速率(RoC)震荡指标的精炼:S-RoC 由两条指数移动平均的比较而来。
S-RoC = EMA(N)/EMA(N — K)*100, where
N – number of periods;
K – smoothing factor.
S-RoC是技术分析中最简单的震荡指标。它很容易使用,擅长产生可用的交易价格反转的真实信号。从这一点来说,相比顺势交易,该指标更适合于逆势交易策略。因为当很强的价格走势存在时S-RoC指标能产生很多伪信号。
如果S-RoC指标加速,能指示价格上涨。相反地,如果指标下落,上涨的步伐也会变慢。当S-RoC指标反转,趋势或会改变。
因此,S-RoC有助于确定牛市或熊市中的主要趋势。就此而言,S-RoC能用于指示长期趋势的方向。
独立的信号行为如下:
MA_Period = 13
ROC_Period = 21
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