Intraday Trading Special Support Resistance - Amibroker AFL Code

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_SECTION_BEGIN("");

SetChartBkColor(3);

EntrySignal = C > ( LLV( L, 20 ) + 2 * ATR( 10 ) );
ExitSignal = C < ( HHV( H, 20 ) - 2 * ATR( 10 ) );
Color = IIf( EntrySignal, colorBlue, IIf( ExitSignal, colorOrange, colorGrey50 ));
TrailStop = HHV( C - 2 * ATR(10), 15 );
ProfitTaker = EMA( H, 13 ) + 2 * ATR(10);
/* plot price chart and stops */
Plot( TrailStop, "Trailing stop", colorBrown, styleLine | styleLine );
Plot( ProfitTaker, "Profit taker", colorLime, styleLine );
Plot( C, "Price", Color, styleCandle | styleThick );
/* plot color ribbon */
Plot( 1, "", Color, styleArea | styleOwnScale | styleNoLabel, -0.1, 50 );
BanlanceSignal = ( LLV( L, 20 ) + 2 * ATR( 10 ) );
Plot( BanlanceSignal, "BanlanceSignal", colorYellow, styleLine | styleLine );

TYP=(High + Low + 2*Close)/4;
CI=(TYP-MA(TYP,14))/(0.015*StDev(TYP,14));
EM2=EMA(CI,5);

// Sigma
Var1=EMA((Close-Ref(Close,-5))/Ref(Close,-5),5);
Var2=EMA((Close-Ref(Close,-20))/Ref(Close,-20),3);
Var3=EMA((Close-Ref(Close,-30))/Ref(Close,-30),3);

G1= EMA(Var1,5);
G2= EMA(Var2,20);
G3= EMA(Var3,30);

Buy=EM2<-80 AND EM2>Ref(EM2,-1) AND Ref(EM2,-1)<=Ref(EM2,-2)AND G1>Ref(G1,-1);
PlotShapes( IIf( Buy, shapeDigit0, shapeNone ), colorBrightGreen ,layer = 0, yposition = C, offset = -20 );
_SECTION_END();