//+------------------------------------------------------------------+
//| StochasticRVI.mq4 |
//| |
//| Stochastic RVI |
//| |
//| 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
#property indicator_minimum -1
#property indicator_maximum 1
double StocRVI[];
double Trigger[];
double RVI[];
double Value1[];
double Value2[];
double Value3[];
extern int Length = 8;
int buffers = 0;
int drawBegin = 0;
int init() {
drawBegin = Length;
initBuffer(StocRVI, "Stochastic RVI", DRAW_LINE);
initBuffer(Trigger, "Trigger", DRAW_LINE);
initBuffer(RVI);
initBuffer(Value1);
initBuffer(Value2);
initBuffer(Value3);
IndicatorBuffers(buffers);
IndicatorShortName("Stochastic RVI [" + Length + "]");
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--) {
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;
}
double rvi = RVI[s];
double hh = rvi, ll = rvi;
for (int i = 0; i < Length; i++) {
double tmp = RVI[s + i];
hh = MathMax(hh, tmp);
ll = MathMin(ll, tmp);
}
Value3[s] = 0.0;
if (hh != ll) {
Value3[s] = (rvi - ll) / (hh - ll);
}
StocRVI[s] = (4.0 * Value3[s] + 3.0 * Value3[s + 1] + 2.0 * Value3[s + 2] + Value3[s + 3]) / 10.0;
StocRVI[s] = 2.0 * (StocRVI[s] - 0.5);
Trigger[s] = 0.96 * (StocRVI[s + 1] + 0.02);
}
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:
Order Management characteristics:
Other Features: