根据成交量跑道指标来判断大盘，孙子兵书曰：“天时不如人与，天时不如人与。”股市如战场，股市成交量的几多代表了退出者的周密水平，这一点是技能赏析很需要的组成部份。

     大盘的成交量在K线图上用VOL来代表，其均量线用MA体现。我们来设定3条均量线：MA1=5天，MA2=13天，MA3=34天。用这3条均量线来研讨中国股市成交量更动轨则，可能看出：第一，每一次股市中级以下行情中：（1）5，13，34三条均量线均为多头分列。（2）5日均量线在34日均量线之上呈海浪状运行，且5日均量线每次回抽34日均量线都为极好的买点。（3）成交量跑道现三角形递增趋势，且绝大多半的日成交量都比34日均量线高。第二，每次行情顶部的先兆是5和13日均量线向下死叉34日均量线，同时大盘成交量匹面削减。这种环境的出现时间一样平常都比最高点出现得早。

      第三，熊市的特征是：5日与13日均量线大一小块光阴都在34日均量线以下运行。日成交量大一小部分都低于34日均量线，有间歇性大于34日均量线的放量，但不能继续递增放量。第四，在熊市中出现利好政策后，最早的放量水平弘远于5，13，34均量线，随后的成交量泛起显然的三角形递加趋势。当日成交量萎缩至34日均量线如下时，容易火速构成头部。

成交量跑道指标源码：

var0:=eMA(vol,20);{√}
var1:= var0 + 2*STD(vol,10);
var2:=var0 - 2*STD(vol,10);
{MID:STICKLINE( var0>ref( var0,1) , var0 ,ref( var0,1) ,8 ,0 ),coloryellow;}
UPPER:STICKLINE(var1>ref(var1,1) ,var1 ,ref(var1,1) ,8 ,0 ),colorred;
LOWER:STICKLINE(var2>ref(var2,1) ,var2 ,ref(var2,1) ,8 , 0),colorred;
{STICKLINE( var0<ref( var0,1) , var0 ,ref( var0,1) ,8 ,0 ),colorwhite;}
STICKLINE(var1<ref(var1,1) ,var1 ,ref(var1,1) ,8 ,0),COLORWHITE;
STICKLINE(var2<ref(var2,1) ,var2 ,ref(var2,1) ,8 , 0),COLORWHITE;;
Vara1:=vol;
C1: (EMA(Vara1,2)+EMA(Vara1,5)+EMA(Vara1,8))/3,LINETHICK2, COLORYELLOW;
C2: (EMA(Vara1,3)+EMA(Vara1,6)+EMA(Vara1,9))/3,color00CC33;
C3: (EMA(Vara1,4)+EMA(Vara1,7)+EMA(Vara1,10))/3,color00CC33;
C4: (EMA(Vara1,5)+EMA(Vara1,8)+EMA(Vara1,11))/3,color00CC33;
C5: (EMA(Vara1,6)+EMA(Vara1,9)+EMA(Vara1,12))/3,color00CC33;
C6: (EMA(Vara1,7)+EMA(Vara1,10)+EMA(Vara1,13))/3,color00CC33;
C7: (EMA(Vara1,8)+EMA(Vara1,11)+EMA(Vara1,14))/3,color00CC33;
C8: (EMA(Vara1,9)+EMA(Vara1,12)+EMA(Vara1,15))/3,color00CC33;
C9: (EMA(Vara1,10)+EMA(Vara1,13)+EMA(Vara1,16))/3,color00CC33;
C10: (EMA(Vara1,11)+EMA(Vara1,14)+EMA(Vara1,17))/3,color00CC33;
C11: (EMA(Vara1,12)+EMA(Vara1,15)+EMA(Vara1,18))/3,color00CC33;
C12: (EMA(Vara1,13)+EMA(Vara1,16)+EMA(Vara1,19))/3,color00CC33;
C13: (EMA(Vara1,14)+EMA(Vara1,17)+EMA(Vara1,20))/3,color00CC33;
C14: (EMA(Vara1,15)+EMA(Vara1,18)+EMA(Vara1,21))/3,color00CC33;
C15: (EMA(Vara1,16)+EMA(Vara1,19)+EMA(Vara1,22))/3,color00CC33;
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C16: (EMA(Vara1,17)+EMA(Vara1,20)+EMA(Vara1,23))/3,color00CC33;
C17: (EMA(Vara1,18)+EMA(Vara1,21)+EMA(Vara1,24))/3,color00CC33;
C18: (EMA(Vara1,19)+EMA(Vara1,22)+EMA(Vara1,25))/3,color00CC33;
C19: (EMA(Vara1,20)+EMA(Vara1,23)+EMA(Vara1,26))/3,LINETHICK3, COLOR0099ff;
C20: (EMA(Vara1,21)+EMA(Vara1,24)+EMA(Vara1,27))/3,color00CC33;
C21: (EMA(Vara1,22)+EMA(Vara1,25)+EMA(Vara1,28))/3,color00CC33;
C22: (EMA(Vara1,23)+EMA(Vara1,26)+EMA(Vara1,29))/3,color00CC33;
C23: (EMA(Vara1,24)+EMA(Vara1,27)+EMA(Vara1,30))/3,color00CC33;
C24: (EMA(Vara1,25)+EMA(Vara1,28)+EMA(Vara1,31))/3,color00CC33;
C25: (EMA(Vara1,26)+EMA(Vara1,29)+EMA(Vara1,32))/3,color00CC33;
C26: (EMA(Vara1,27)+EMA(Vara1,30)+EMA(Vara1,33))/3,color00CC33;
C27: (EMA(Vara1,28)+EMA(Vara1,31)+EMA(Vara1,34))/3,color00CC33;
C28: (EMA(Vara1,29)+EMA(Vara1,32)+EMA(Vara1,35))/3,color00CC33;
C29: (EMA(Vara1,30)+EMA(Vara1,33)+EMA(Vara1,36))/3,color00CC33;
C30: (EMA(Vara1,31)+EMA(Vara1,34)+EMA(Vara1,37))/3,color00CC33;
C31: (EMA(Vara1,32)+EMA(Vara1,35)+EMA(Vara1,38))/3,color00CC33;
C32: (EMA(Vara1,33)+EMA(Vara1,36)+EMA(Vara1,39))/3,color00CC33;
C33: (EMA(Vara1,34)+EMA(Vara1,37)+EMA(Vara1,40))/3,color00CC33;
C34: (EMA(Vara1,35)+EMA(Vara1,38)+EMA(Vara1,41))/3,color00CC33;
C35: (EMA(Vara1,36)+EMA(Vara1,39)+EMA(Vara1,42))/3,color00CC33;
C36: (EMA(Vara1,37)+EMA(Vara1,40)+EMA(Vara1,43))/3,color00CC33;
C37: (EMA(Vara1,38)+EMA(Vara1,41)+EMA(Vara1,44))/3,color00CC33;
C38: (EMA(Vara1,39)+EMA(Vara1,42)+EMA(Vara1,45))/3,color00CC33;
C39: (EMA(Vara1,40)+EMA(Vara1,43)+EMA(Vara1,46))/3,LINETHICK2, COLORBLUE;

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