#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Green
#property indicator_color2 Blue
#property indicator_color3 Red

extern int IPeriod = 50;
double g_ibuf_80[];
double g_ibuf_84[];
double g_ibuf_88[];

int init() {
   SetIndexStyle(0, DRAW_HISTOGRAM);
   SetIndexBuffer(0, g_ibuf_80);
   SetIndexStyle(1, DRAW_HISTOGRAM);
   SetIndexBuffer(1, g_ibuf_84);
   SetIndexStyle(2, DRAW_HISTOGRAM);
   SetIndexBuffer(2, g_ibuf_88);
   return (0);
}

int deinit() {
   return (0);
}

int start() {
   double ld_0 = 0;
   for (int li_8 = 0; li_8 < Bars; li_8++) {
      ld_0 = iMA(Symbol(), 0, IPeriod, 0, MODE_SMA, PRICE_CLOSE, li_8) - iMA(Symbol(), 0, IPeriod, 0, MODE_SMA, PRICE_CLOSE, li_8 + 1);
      ld_0 += iMA(Symbol(), 0, IPeriod, 0, MODE_SMA, PRICE_CLOSE, li_8 + 1) - iMA(Symbol(), 0, IPeriod, 0, MODE_SMA, PRICE_CLOSE, li_8 + 2);
      ld_0 /= 2.0;
      g_ibuf_80[li_8] = ld_0;
   }
   for (li_8 = 0; li_8 < Bars; li_8++) {
      if (g_ibuf_80[li_8] > 0.0) g_ibuf_84[li_8] = g_ibuf_80[li_8];
      else g_ibuf_88[li_8] = g_ibuf_80[li_8];
   }
   return (0);
}