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请TB的老师对如下的zigzag加一点注释,便于在下阅读理解。非常感谢
Params
Numeric RetracePct(5);
Vars
NumericSeries SwingPrice;
Numeric NewSwingPrice;
NumericSeries PreBar(0);
NumericSeries UpDn(0);
Bool SaveSwing(False);
Bool NewTL(False);
Bool UpdateTL(False);
begin
If (CurrentBar > 0)
{
UpDn = UpDn[1];
PreBar = PreBar[1];
SwingPrice = SwingPrice[1];
}Else
{
SwingPrice = Close;
}
NewSwingPrice = SwingHigh( 1, Close, 1,2) ;
If (NewSwingPrice <> InvalidNumeric)
{
If (NewSwingPrice <> -1)
{
If(UpDn <=0 && NewSwingPrice >= SwingPrice * (1+RetracePct*0.01))
{
UpDn = 1;
NewTL = True;
SaveSwing = True;
}Else If(UpDn == 1 && NewSwingPrice >= SwingPrice)
{
UpdateTL = True;
SaveSwing = True;
}
}Else
{
NewSwingPrice = SwingLow( 1, Close, 1, 2 ) ;
If (NewSwingPrice <> -1)
{
If(UpDn >=0 && NewSwingPrice <= SwingPrice * (1-RetracePct*0.01))
{
UpDn = -1;
NewTL = True;
SaveSwing = True;
}Else If(UpDn == -1 && NewSwingPrice <= SwingPrice)
{
UpdateTL = True;
SaveSwing = True;
}
}
}
If(SaveSwing )
{
SwingPrice = NewSwingPrice;
PreBar = CurrentBar;
}
If( NewTL)
{
PlotNumeric("ZigZag",SwingPrice,-1,1);
}Else If(UpdateTL)
{
If (UpDn == UpDn[1])
{
Unplot("ZigZag",PreBar - PreBar[1]+1);
PlotNumeric("ZigZag",SwingPrice,-1,1);
}Else
{
PlotNumeric("ZigZag",SwingPrice,-1,1);
}
}
}
End |
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