沙夫趋势周期指标(STC)是由道格·沙夫在2008年开发。它是基于货币的趋势在循环模式加速及减速的设想。
1. 移动平均线(23 - 50期间EMA)和MACD值计算。
EMA1 = EMA(Close, ShortLength);
EMA2 = EMA(Clost, LongLength);
MACD = EMA1 – EMA2;
2. 随机计算10周期MACD值(沙夫趋势周期的周期)
%K(MACD) = %KV(MACD, 10);
%D(MACD) = %DV(MACD ,10);
Schaff = 100 * (MACD – %K(MACD)) / (%D(MACD) – %K(MACD));
技术指标STC是从技术的角度来看振荡器。它是基于随机震荡指标和MACD的原理。 STC检测到向上和向下的趋势,忽略了很多短期的噪音。
根据STC指标的概念,在外汇市场上的一个特定的时间后,该趋势返回到其发展的起点,其进一步的动作周期开始重复。因此,某种周期性循环发生在外汇市场上的价格波动。它由MetaTrader的STC指标检测。
在指标的发展这个过程中,除了周期性,应用了两种不同的决定趋势方向变化的算法: MACD和慢随机振荡指标。
STC指标功能为以下方式。当信号线从25向上表示做多,生成买入信号或从75降低表示做空。
指标开发者建议采取以下的信号滤波方法。如果紧接着信号栏的条栏收高于前一个高点,再有价格变动的可能性很大,推论购买。相反,如果紧接着信号栏的条栏收低于前一栏,是卖出信号。它有很高的的概率是盈利销售。
MAshort = 23
MAlong = 50
Cycle = 10
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