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Fibonacci Retracement

Overview

The Fibonacci Retracement annotation allows to add a Fibonacci retracement to a chart.

This article explains how to add a Fibonacci Retracement and configure its basic and visual settings. You can find more settings and other useful information in the articles describing annotations in general:

Basic Settings

To add a Fibonacci Retracement annotation to a chart, call the fibonacciRetracement() method of the annotations() object.

Next, use the xAnchor(), valueAnchor(), secondXAnchor(), and secondValueAnchor() methods to set 2 points that determine the position of the Fibonacci retracement. Usually, the most convenient way to do this is object notation:

// create a stock chart
chart = anychart.stock();

// create a plot on the chart
var plot = chart.plot(0);

// access the annotations() object of the plot to work with annotations
var controller = plot.annotations();

// create a Fibonacci Retracement annotation
controller.fibonacciRetracement({
xAnchor: "2006-07-30",
valueAnchor: 17.24,
secondXAnchor: "2007-01-07",
secondValueAnchor: 28.92
});

This is how it looks like:

JsFiddle Playground

Configuring Levels

You can set the levels of a Fibonacci Retracement annotation by using the levels() method and passing an array of values as a parameter:

// create a Fibonacci Retracement annotation
controller.fibonacciRetracement({
xAnchor: "2006-07-30",
valueAnchor: 17.24,
secondXAnchor: "2007-01-07",
secondValueAnchor: 28.92,
levels: [0, 0.2, 0.4, 0.7, 1]
});

JsFiddle Playground

Visual Settings

You can also configure the visual settings of a Fibonacci Retracement annotation:

In the sample below, there are two Fibonacci Retracement annotations with some of the visual settings configured (by using an object in the first case and methods in the second):

// create the first Fibonacci Retracement annotation and configure its visual settings
fibonacciRetracement1 = controller.fibonacciRetracement({
xAnchor: "2006-07-30",
valueAnchor: 17.24,
secondXAnchor: "2007-01-07",
secondValueAnchor: 28.92,
hoverTrend: "#0000FF",
hoverStroke: "#FF0000",
selectTrend: "2 #0000FF",
selectStroke: "2 #FF0000"        
});

// create the second Fibonacci Retracement annotation
fibonacciRetracement2 = controller.fibonacciRetracement();

// set the position of the second annotation
fibonacciRetracement2.xAnchor("2004-01-11");
fibonacciRetracement2.valueAnchor(29.13);
fibonacciRetracement2.secondXAnchor("2004-08-08");
fibonacciRetracement2.secondValueAnchor(17.86);
 
// configure the visual settings of the second annotation
fibonacciRetracement2.stroke("#2196F3", 2, "10 2");

JsFiddle Playground

To configure the visual settings of a certain level, use the stroke(), hoverStroke(), and selectStroke() methods with a function as a parameter. In this function, get level values from the context:

// create a Fibonacci Retracement annotation
controller.fibonacciRetracement({
xAnchor: "2006-07-30",
valueAnchor: 17.24,
secondXAnchor: "2007-01-07",
secondValueAnchor: 28.92,
stroke: colorLevels,
hoverStroke: colorLevels,
selectStroke: colorLevels
});


function colorLevels(){
  if (this.level!==undefined)
  {
switch (this.level) {
        case 0.5:
            return "Red";
            break;
        case 0.618:
            return {color: "Blue", dash: "2 2"};
            break;
        default:
                return "Black"
        }
  }
};

JsFiddle Playground