[backcolor=rgb(255,255,255)]看埃尔德<<走近我的交易室>>里面讲了一个安全地带止损指标.我在通达信里面编写了简易的代码,韬客的大大们能帮我转译下,不胜感激![/backcolor]
[backcolor=rgb(255,255,255)]　　通达信代码:[/backcolor]
[backcolor=rgb(255,255,255)]　　默认参数：B 10(回溯周期）[/backcolor]
[backcolor=rgb(255,255,255)]　　D 2 （乘数因子）[/backcolor]
[backcolor=rgb(255,255,255)]　　------------------------------------------[/backcolor]
[backcolor=rgb(255,255,255)]　　E1:=IF(REF(L,1)>L,REF(L,1)-L,0);[/backcolor]
[backcolor=rgb(255,255,255)]　　F1:=SUM(E1,B);[/backcolor]
[backcolor=rgb(255,255,255)]　　G1:=IF(REF(L,1)>L,1,0);[/backcolor]
[backcolor=rgb(255,255,255)]　　H1:=SUM(G1,B);[/backcolor]
[backcolor=rgb(255,255,255)]　　I1:=F1/H1;[/backcolor]
[backcolor=rgb(255,255,255)]　　J1:=REF(L,1)-D*I1;[/backcolor]
[backcolor=rgb(255,255,255)]　　Y1:MAX((J1,MAX(REF(J1,1),REF(J1,2)))); 【红色，上涨止损】[/backcolor]
[backcolor=rgb(255,255,255)]　　E2:=IF(H>REF(H,1),H-REF(H,1),0);[/backcolor]
[backcolor=rgb(255,255,255)]　　F2:=SUM(E2,B);[/backcolor]
[backcolor=rgb(255,255,255)]　　G2:=IF(H>REF(H,1),1,0);[/backcolor]
[backcolor=rgb(255,255,255)]　　H2:=SUM(G2,B);[/backcolor]
[backcolor=rgb(255,255,255)]　　I2:=F2/H2;[/backcolor]
[backcolor=rgb(255,255,255)]　　J2:=REF(H,1)+D*I2;[/backcolor]
[backcolor=rgb(255,255,255)]　　Y2:MIN((J1,MIN(REF(J1,1),REF(J1,2))));【绿色，下降止损】[/backcolor]
[backcolor=rgb(255,255,255)]　　E1赋值:如果昨日最低价>最低价,返回昨日最低价-最低价,否则返回0[/backcolor]
[backcolor=rgb(255,255,255)]　　F1赋值:E1的B日累和[/backcolor]
[backcolor=rgb(255,255,255)]　　G1赋值:如果最低价<昨日最低价,返回1,否则返回0[/backcolor]
[backcolor=rgb(255,255,255)]　　H1赋值:G1的B日累和[/backcolor]
[backcolor=rgb(255,255,255)]　　I1赋值:F1/H1[/backcolor]
[backcolor=rgb(255,255,255)]　　J1赋值:昨日最低价-D*I1[/backcolor]
[backcolor=rgb(255,255,255)]　　输出Y1:J1和昨日J1和2日前的J1的较大值的较大值[/backcolor]
[backcolor=rgb(255,255,255)]　　E2赋值:如果最高价>昨日最高价,返回最高价-昨日最高价,否则返回0[/backcolor]
[backcolor=rgb(255,255,255)]　　F2赋值:E2的B日累和[/backcolor]
[backcolor=rgb(255,255,255)]　　G2赋值:如果最高价>昨日最高价,返回1,否则返回0[/backcolor]
[backcolor=rgb(255,255,255)]　　H2赋值:G2的B日累和[/backcolor]
[backcolor=rgb(255,255,255)]　　I2赋值:F2/H2[/backcolor]
[backcolor=rgb(255,255,255)]　　J2赋值:昨日最高价+D*I2[/backcolor]
[backcolor=rgb(255,255,255)]　　输出Y2:J2和昨日J2和2日前的J2的较小值的较小值[/backcolor]
效果图.jpg

就是布林带的变种。

其实原著中是一条止损线.书中公式是有对趋势的判断,从而选择显示的是上止损线或下止损线. 对趋势判断的方法,书中给出的是均线的斜率.我就简化了,只需要画出上下止损线,自己判断趋势去选择选用那条止损! 不知哪位大大,能帮我把上面的通达信公式转化成MT4指标,不胜感激!