Forex Trading

JavaScript Multi Series Candlestick Charts

The color of the chart border, as an HTML color string. Now that everything is set up, proceed to the chart code itself. Connect and share knowledge within a single location that is structured and easy to search.

  1. In this section, we will explore how to configure the theme of the chart.
  2. The direction in which the values along the vertical axis grow.
  3. Replaces the automatically generated Y-axis ticks with the specified array.
  4. We shall use the setTickStrategy() function on an axis.

The most popular chart type for traders is the candlestick chart. Candlestick provides visual support for making decisions in the case of stocks, foreign exchange or commodities. SciChart.js supports Candlestick Charts with custom colors per bar and a Date X-Axis.

Returns an object containing information about the onscreen placement of the chart and its elements. The color of the vertical gridlines inside the chart area. The direction in which the values along the vertical axis grow. VAxis property that specifies the baseline for the vertical axis. If the baseline is larger than the highest grid line or smaller than the lowest grid line, it will be rounded to the closest gridline. The color of the horizontal gridlines inside the chart area.

How to Create JavaScript Candlestick Chart using amCharts JS

However, when I finally did, I realized they are actually quite easy and straightforward to read. SciChart.js is the latest software to be added to our award-winning chart library portfolio. Our priority is to enable the creation of high-performance JavaScript charts for all your digital applications.

For more information on how to use these events, see
Basic Interactivity,
Handling Events, and
Firing Events. Sets a tooltip action to be executed when the user clicks on the action text. Removes the tooltip action with the requested actionID from the chart. Returns the tooltip action object with the requested actionID. Minimum horizontal spacing, in pixels, allowed between two adjacent text labels.

LightningChart JSJavaScript Candlestick Chart

As a stock price moves in one direction, individual candlesticks form various patterns which traders can use to identify and predict major support and resistance levels. JavaScript Candlestick Chart forms a column with vertical lines to represent open, high, low & close values of a data point. Candlestick provides a visual support for making decisions in case of Stock, foreign exchange, etc. Candle Stick graphs are beautiful, interactive & supports animation, zooming, panning, annotation.

What Is Candlestick Chart?

It is very easy to create interactive charts for apps and websites using specialized JavaScript tools for data visualization like LightningChart JS. Anyone with a basic understanding of coding can create professional interactive charts. Can be used to identify when the title, data elements, legend entries, axes, gridlines, or labels are clicked. The color of the candle can indicate whether the stock price went up or down during that period, with green or blue usually indicating a rise and red indicating a decline.

If you have any questions or suggestions, feel free to comment below. It can also be used as a zoom tool, as well as provides interactivity to the charts. Fired when an error occurs when attempting to render the chart. Returns the pixel javascript candlestick chart y-coordinate of dataValue relative to the top edge of the chart’s container. Returns the pixel x-coordinate of dataValue relative to the left edge of the chart’s container. This option currently works only when legend.position is ‘top’.

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Let’s get started creating the JavaScript Candlestick chart by initializing the chart by calling the LightningChart () constructor. Since we will be using a 2D XY chart we can initialize that using the ChartXY () constructor. Conversely, the candlestick turns red when the price opens and then falls. Investors can determine whether the closing price was higher or lower than the opening price by looking at the wide portion of the candlestick. Candlestick charts always looked very confusing to me because I never bothered to understand them.

For example, the business days alone can be represented in a week here. Any and all tooltip actions should be set prior to calling the chart’s draw() method. The color of the vertical minor gridlines inside the chart area. If set to true, use HTML-rendered (rather than SVG-rendered) tooltips. The color of the horizontal minor gridlines inside the chart area. The default font size, in pixels, of all text in the chart.

If you are new to the ChartJS library, how to create a bar chart is a simple example for getting started. In the resulting JS candlestick chart, it is possible to observe how the EUR/USD currency pair traded over two years. Use the scroller to zoom into a shorter period if you want. That’s where I will put all the code for the JS candlestick chart. The next step was implementing the ability to zoom in and out of the chart. It’s a very important feature if you actually want to use a candlestick chart productively.

The stroke color of falling candles, as an HTML color string. The fill color of falling candles, as an HTML color string. If true, rising candles will appear hollow and falling candles will appear solid, otherwise, the opposite. Determines if the chart will animate on the initial draw.

Whether you’re building a trading platform, investment analysis tool, or financial dashboard, this interactive candlestick chart will be an invaluable addition to your project. This candlestick chart is built using JavaScript open source library amCharts 4. Also called a Japanese candlestick chart, this chart type is one of the most popular forms of financial and stock data visualization. Each candlestick represents information about the open, high, low, and close price of the day. Candlestick charts are widely used in technical analysis of price movement patterns. Integrating the amCharts 4 library, allows you to effortlessly generate interactive candlestick charts to represent stock price data over time.

The candlestick and OHLC charts are for showing financial data in a graph. Both these charts look mostly similar but differ in showing the ‘open’ and ‘close’ points. Now that the data is loaded, let’s use the mapAs() function to transform the data fields into the fields of the candlestick chart. Each data point has an open price (o), an high price (h), a low price (l) and a close price (c) for the datetime (x), where we now have data from 2023–08–01 to 2023–08–14. When hovering the plot area, it helps to gauge a precise position on the value scale, helps display tooltips for multiple series at a time.

We shall use the setTickStrategy() function on an axis. This is used to set the tick strategy for the axis, as well as styling elements of the tick strategy. The second parameter is a mutator and is optional, only used when styling or modifying elements of the tick strategy. What features do your JavaScript Candlestick Charts offer? We pride ourselves on offering the fastest rendering JavaScript charts.

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