Create your own trading JavaScript Candlestick Chart App

candlestick chart javascript

You can enable zooming capability by setting zoomEnabled to true. Some other common customizations are color, animationEnabled etc. It can also be used as a zoom tool, as well as provides interactivity to the charts. In the below code, the user can change the title and behaviour of the Y-Axis according to requirements. 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.

  • Highcharts has a more full featured candlestick chart and the ability to reverse the y axis, but as far as I can tell you MUST use timestamps as values for the x axis.
  • This makes it useful to dynamically display data for both longer and shorter intervals.
  • Returns the horizontal data value at xPosition, which is a pixel offset from the chart container’s left edge.

The stroke width of rising candles, as an HTML color string. The stroke color of rising candles, as an HTML color string. The fill color of rising candles, as an HTML color string. The stroke width of falling candles, as an HTML color string.

Simple Candlestick Chart

All the LightningChart functions and properties that we need to build charts are included in the IIFE. I recommend techan.js based on and by the author of D3js. Here, the solid portion of the candle within the buy-sell spread candlestick chart javascript defines the open & close price, and the candle “wick” defines the maximum and minimum price range. Simple BTC/EUR real time chart using data from Binance REST API and Kraken WebSocket API and Highcharts for visualization.

How many horizontal axis labels to show, where 1 means show every label, 2 means show every other label, and so on. Default is to try to show as many labels as possible without overlapping. Labels can span multiple lines if they are too long, and the number of lines is, by default, limited by the height of the available space. HAxis property that makes the horizontal axis a logarithmic scale (requires all values to be positive).

We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Fired when an error occurs when attempting to render the chart. For more information on how to use these events, see
Basic Interactivity,
Handling Events, and
Firing Events. Returns the pixel y-coordinate of dataValue relative to the top edge of the chart’s container. This option currently works only when legend.position is ‘top’.

Waterfall charts

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 vertical data value at yPosition, which is a pixel offset down from the chart container’s top edge. Returns the tooltip action object with the requested actionID. 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 direction in which the values along the horizontal axis grow. The default font size, in pixels, of all text in the chart. You can override this using properties for specific chart elements. Whether the chart throws user-based events or reacts to user interaction. Candlestick charts always looked very confusing to me because I never bothered to understand them. However, when I finally did, I realized they are actually quite easy and straightforward to read.

There is no built-in solution for this, but we can easily create our own

When the price of the security starts at a specific price and then rises, the candlestick turns green. Trading professionals seeking chart patterns can use candlesticks charts for their analysis. Many traders consider candlestick charts to be easier to read and more visually appealing than conventional bar charts. A candlestick chart is a type of price chart used in technical analysis, which shows a security’s high, low, open, and closing prices over a given time frame. 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.

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For CryptoCurrency data the DateTimeNumericAxis can be used as these are 24/7 markets. Candlestick Series or JavaScript Stock Charts can be created using the FastCandlestickRenderableSeries type. You can set risingColor or color to show the rising or falling price in different colors. Some other frequently used customizations include zoomEnabled, animationEnabled, etc.

Customise Candlestick Chart with Shapes and Annotations

On the other hand, the closing price of a security is the top of a green candlestick or the bottom of a red candlestick. The opening price of a security is the bottom of a green candlestick or the top of a red candlestick. Get your hands on the most advanced data visualization library at a discounted price. Google’s charting API supports a candlestick chart with the ability to change the values on the X axis – i.e. they are week days here but could be other things.

candlestick chart javascript

To find the high price of the security for the chosen period, look at the candlestick’s upper wick. The wick of the candlestick shows the day’s highs and lows in comparison to the opening and closing prices. The shape of a candlestick is based on the relationship https://g-markets.net/ between the opening, closing, high, and low prices for the day. JQuery plugin for creating line, bar and candlestick charts. Overrides the default format for various aspects of date/datetime/timeofday data types when used with chart computed gridlines.

tradingview-jsapi-binance

The viewWindow will be automatically expanded to include the min and max ticks unless you specify a viewWindow.min or viewWindow.max to override. Plotly is a free and open-source graphing library for JavaScript.

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Given example shows stock price comparison of AT&T vs Verizon in 2016 using Multi Series Candlestick Chart. It also contains source code that you can edit in-browser or save to run locally. This demo shows you how to create a JavaScript Candlestick Chart or Stock Chart using SciChart.js. Switch between Candlestick or Ohlc, or see the Realtime Ticking Stock Charts demo which shows how to add live updates. To learn more about creating and customizing candlestick charts, see the candlestick chart documentation.

JavaScript

Let’s configure the x-axis to show Date and Time information. DateTime data with irregular intervals can be shown on the DateTime category axis. For example, the business days alone can be represented in a week here. Investors can determine whether the closing price was higher or lower than the opening price by looking at the wide portion of the candlestick. A fun project to detect patterns in financial charts and add custom conditional logic for the patterns for trading.

A trader can instantly compare the relationship between the open and close as well as the high and low prices. They can also be used to predict market reversals which can be extremely helpful for professional investors, brokers, etc. This type of JavaScript Candlestick chart is used to observe price fluctuations while trading. This makes it useful to dynamically display data for both longer and shorter intervals. The color of the vertical minor gridlines inside the chart area. If true, show colored squares next to the series information in the tooltip.