MACD背离划线指标
关键字：MACD背离划线指标
MACD是一种震荡型指标，它反映的是一种相对长期和短期时长内，现货黄金价格的走势变动大小，而MACD的参数是基于均线形成公式的统计学原理演变而来，是对均线的二次平滑处理而得出的指标计算方法，所以MACD的指标性质较均线系统稳定，一般能较为准确地反映出不同阶段的金价变动。
一、MACD的特殊形态
MACD是基于K线图而创立的一种技术指标，在构成MACD计算公式的过程中，原始的统计数据就是K线图中的收盘价，所以我们在进行MACD指标分析时，不能脱离对K线图盘面的实时观察，MACD指标和K线图走势会形成两种特殊的背离形态，一种为顶背离，另一种为底背离。
1、 顶背离的意思是K线图走势一浪比一浪高，而MACD技术指标则一浪比一浪低，顶背离意味着K线图的看多格局很快就会反转为空头市场，金价遭遇筑顶行情，当K线开出阴线，说明金价已经开启下行格局。
2、 底背离的意思是K线图走势一浪比一浪低，而MACD技术指标则一浪比一浪高，底背离意味着K线的看空格局很快进入尾声，后市可能为区间震荡或转变为多头，金价遭遇筑底行情，在好几次底背离形态出现以后，当K线开出阳线，说明现货黄金行情有可能打开上行空间。
二、MACD背离划线
MACD背离划线是指MACD指标和K线图走势呈背离状态时，在MACD图表位置，以一条直线反映MACD指标的运行状态，同理在K线图盘面中也作出一条直线反映K线图走势，如下图所示
上图为2010年10月初到12月中旬，MACD和K线图出现的顶背离，K线走势图中出现随着K线上行的白色直线，而MACD指标中则出现随着白色面积和红色折线向下震荡且靠近零轴的黄色直线，意味着金价从高位回落，后市很快就进入空头行情。
下图为MACD底背离的形态：
上图为2013年4月到7月，MACD和K线图出现的底背离，白色直线反映K线走势呈震荡下行格局，而黄色直线则随MACD白色面积和红线向上靠近零轴而上行，意味着金价的空头行情即将结束，后市将进入盘整或新的反弹。
三、MACD背离划线的显示方法
如果MACD指标与K线图出现背离，一般用肉眼就能观察到，如果要显示出划线的线段的话，那么我们在下载交易平台的时候，则要在交易平台的下载软件包中添加线段工具源代码，作为MACD指标中线段工具的功能表现，下面是MACD背离的划线功能源代码，这里的参数为（12,26,9）：
SHORT:=12;LONG:=26;M:=9;
DIFF : EMA(CLOSE,SHORT) – EMA(CLOSE,LONG);
DEA : EMA(DIFF,M);
MACD:=2*(DIFF-DEA);
Zero : 0;
gj:=MAX(C,O);
STICKLINE(MACD>0 AND MACD>=REF(MACD,1),0,MACD,2,0),color0000ff;
STICKLINE(MACD>0 AND MACD<REF(MACD,1),0,MACD,2,0),colorffff00;
STICKLINE(MACD<0 AND MACD>=REF(MACD,1),0,MACD,2,0),colorff00ff;
STICKLINE(MACD<0 AND MACD<REF(MACD,1),0,MACD,2,0),color00ff00;
L4:=LLV(gj,4);
jl:=(HHV(diff,55)-LLV(diff,55))/5;
gt:=dea>REF(dea,1) AND REF(dea,1)<REF(dea,2);
A1:=BARSLAST(REF(gt,1));
底背离:=REF(L4,A1+1)>CLOSE AND diff>REF(diff,A1+1) AND gt;
DRAWLINE(A1=0,DEA,底背离,REF(DEA,A1),0),colorred,LINETHICK2;
DRAWLINE(底背离,DEA,底背离,REF(DEA,A1),0),colorred,LINETHICK2;
DRAWTEXT(底背离,REF(DEA,A1)*1.18,’ 底背离’),COLORFF00FF;
H4:=HHV(gj,4);
gt2:=dea<REF(dea,1) AND REF(dea,1)>REF(dea,2);
A2:=BARSLAST(REF(gt2,1));
顶背离:= REF(H4,A2+1)<H4 AND diff<REF(diff,A2+1) AND gt2;
DRAWLINE(A2=0 ,DEA,顶背离,REF(DEA,A2),0),colorgreen,LINETHICK2;
DRAWLINE(顶背离,DEA,顶背离,REF(DEA,A2),0),colorgreen,LINETHICK2;
DRAWTEXT(顶背离,REF(DEA,A2)*1.18,’ 顶背离’),colorgreen;
本文来源： 大田环球贵金属
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