Vortex Indicator for Amibroker (AFL)
kaiji over 16 years ago Amibroker (AFL)
The vortex indicator was developed as a new directional movement indicator, drawing inspiration from J. Welles Wilder’s directional movement indicator, as well as another unrelated and improved directional indicator.
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Indicator / Formula
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// Vortex Indicator
// S&C Traders Tips Jan 2010
period = Param("Period", 14, 2 );
VMP = Sum( abs( H - Ref( L, -1 ) ), period );
VMM = Sum( abs( L - Ref( H, -1 ) ), period );
STR = Sum( ATR( 1 ), period );
VIP = VMP / STR;
VIM = VMM / STR;
Plot( VIP, "VI"+period+"+", colorBlue);
Plot( VIM, "VI"+period+"-", colorRed );
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