//+------------------------------------------------------------------+
//| AdaptiveRVI.mq4 |
//| |
//| Adaptive Relative Vigor Index |
//| |
//| Algorithm taken from book |
//| "Cybernetics Analysis for Stock and Futures" |
//| by John F. Ehlers |
//| |
//| contact@mqlsoft.com |
//| http://www.mqlsoft.com/ |
//+------------------------------------------------------------------+
#property copyright "Coded by Witold Wozniak"
#property link "www.mqlsoft.com"
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Red
#property indicator_color2 Blue
#property indicator_level1 0
double RVI[];
double Trigger[];
double Value1[];
double Value2[];
extern double Alpha = 0.07;
int buffers = 0;
int drawBegin = 0;
int init() {
drawBegin = 30;
initBuffer(RVI, "RVI", DRAW_LINE);
initBuffer(Trigger, "Trigger", DRAW_LINE);
initBuffer(Value1);
initBuffer(Value2);
IndicatorBuffers(buffers);
IndicatorShortName("Adaptive RVI [" + DoubleToStr(Alpha, 2) + "]");
return (0);
}
int start() {
if (Bars <= drawBegin) return (0);
int countedBars = IndicatorCounted();
if (countedBars < 0) return (-1);
if (countedBars > 0) countedBars--;
int s, limit = Bars - countedBars - 1;
for (s = limit; s >= 0; s--) {
double period0 = iCustom(0, 0, "CyclePeriod", Alpha, 0, s);
double period1 = iCustom(0, 0, "CyclePeriod", Alpha, 0, s + 1);
double period3 = iCustom(0, 0, "CyclePeriod", Alpha, 0, s + 3);
double period4 = iCustom(0, 0, "CyclePeriod", Alpha, 0, s + 4);
int Length = MathFloor((4.0 * period0 + 3.0 * period1 + 2.0 * period3 + period4) / 20.0);
Value1[s] = ((Close[s] - Open[s]) +
2.0 * (Close[s + 1] - Open[s + 1]) +
2.0 * (Close[s + 2] - Open[s + 2]) +
(Close[s + 3] - Open[s + 3])) / 6.0;
Value2[s] = ((High[s] - Low[s]) +
2.0 * (High[s + 1] - Low[s + 1]) +
2.0 * (High[s + 2] - Low[s + 2]) +
(High[s + 3] - Low[s + 3])) / 6.0;
double Num = 0.0;
double Denom = 0.0;
for (int count = 0; count < Length; count++) {
Num += Value1[s + count];
Denom += Value2[s + count];
}
if (Denom != 0.0) {
RVI[s] = Num / Denom;
} else {
RVI[s] = 0.0;
}
Trigger[s] = RVI[s + 1];
}
return (0);
}
void initBuffer(double array[], string label = "", int type = DRAW_NONE, int arrow = 0, int style = EMPTY, int width = EMPTY, color clr = CLR_NONE) {
SetIndexBuffer(buffers, array);
SetIndexLabel(buffers, label);
SetIndexEmptyValue(buffers, EMPTY_VALUE);
SetIndexDrawBegin(buffers, drawBegin);
SetIndexShift(buffers, 0);
SetIndexStyle(buffers, type, style, width);
SetIndexArrow(buffers, arrow);
buffers++;
}
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Series array that contains open prices of each bar
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Indicator Curves created:
Implements a curve of type type
Indicators Used:
Custom Indicators Used:
CyclePeriod
Order Management characteristics:
Other Features: