TB指标(RSI)源码
[code]//------------------------------------------------------------------------
// 简称: RSI
// 名称: 相对强弱指数
// 类别: 公式应用
// 类型: 内建应用
//------------------------------------------------------------------------
Params
Numeric Length(14) ;
Numeric OverSold(30) ;
Numeric OverBought(70) ;
Vars
NumericSeries NetChgAvg( 0 );
NumericSeries TotChgAvg( 0 );
Numeric SF( 0 );
Numeric Change( 0 );
Numeric ChgRatio( 0 ) ;
Numeric RSIValue;
Begin
If(CurrentBar <= Length - 1)
{
NetChgAvg = ( Close - Close[Length] ) / Length ;
TotChgAvg = Average( Abs( Close - Close[1] ), Length ) ;
}Else
{
SF = 1/Length;
Change = Close - Close[1] ;
NetChgAvg = NetChgAvg[1] + SF * ( Change - NetChgAvg[1] ) ;
TotChgAvg = TotChgAvg[1] + SF * ( Abs( Change ) - TotChgAvg[1] ) ;
}
If( TotChgAvg <> 0 )
{
ChgRatio = NetChgAvg / TotChgAvg;
}else
{
ChgRatio = 0 ;
}
RSIValue = 50 * ( ChgRatio + 1 );
PlotNumeric("RSI",RSIValue);
PlotNumeric("超买",OverBought);
PlotNumeric("超卖",OverSold);
End
//------------------------------------------------------------------------
// 编译版本 GS2010.12.08
// 版权所有 TradeBlazer Software 2003-2010
// 更改声明 TradeBlazer Software保留对TradeBlazer平
// 台每一版本的TradeBlazer公式修改和重写的权利
//------------------------------------------------------------------------[/code]
页:
[1]