{"id":26146,"date":"2024-11-27T12:21:59","date_gmt":"2024-11-27T12:21:59","guid":{"rendered":"https:\/\/www.highcharts.com\/blog\/?p=26146"},"modified":"2026-01-13T11:58:48","modified_gmt":"2026-01-13T11:58:48","slug":"waterfall-chart-what-is-it-and-how-do-you-read-it","status":"publish","type":"post","link":"https:\/\/www.highcharts.com\/blog\/tutorials\/waterfall-chart-what-is-it-and-how-do-you-read-it\/","title":{"rendered":"Waterfall chart: What is it and how do you read it?"},"content":{"rendered":"<p>Waterfall charts are powerful visualization tools that show how sequential positive and negative values affect a total. These charts help track how a starting value changes through intermediate steps to reach a final result. While they originated in financial analysis, waterfall charts now serve many industries where understanding cumulative changes is important.<\/p>\n<p>This blog post will guide you through the creation of a waterfall chart using Highcharts. Whether you\u2019re a developer working with JavaScript, .NET, React or other common frameworks, we\u2019re confident you\u2019ll find the inspiration you need.<\/p>\n<p>Highcharts also integrates seamlessly with popular languages such as Python, R, PHP and Java, as well as mobile platforms like iOS and Android. Additional support for frameworks like Svelte, Angular, and Vue, makes it a versatile tool for various development environments.<\/p>\n<p>To see more examples and get an even better understanding of the opportunities Highcharts offers, please head over to the\u00a0<a href=\"https:\/\/www.highcharts.com\/demo\">demo section<\/a>\u00a0of our website or read up on the\u00a0<a href=\"https:\/\/www.highcharts.com\/docs\/chart-and-series-types\/waterfall-series\">technical documentation<\/a>\u00a0on how to get started. Once you get the hang of it, the\u00a0<a href=\"https:\/\/api.highcharts.com\/highcharts\/\">API reference<\/a>\u00a0will help you customize your charts in no time.<\/p>\n<h2><\/h2>\n<h2>Core components of waterfall charts<\/h2>\n<p>A waterfall chart creates a visual flow using a series of connected bars that show how values change over time or across categories. Each bar starts where the previous one ended, creating the distinctive cascading effect that gives these charts their name. Understanding the key elements helps interpret these visualizations effectively.<\/p>\n<ul>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Starting value bar<\/strong>: The initial point that serves as the baseline for subsequent changes, typically shown in a distinct color<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Intermediate bars<\/strong>: Represent increases (positive values) or decreases (negative values) that modify the initial value<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Running totals<\/strong>: Optional checkpoints that show subtotals at key points in the sequence<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Final result<\/strong>: The endpoint showing the net outcome after all changes<\/li>\n<\/ul>\n<h2><\/h2>\n<h2>Creating a waterfall chart<\/h2>\n<p><a href=\"https:\/\/www.highcharts.com\/demo\/highcharts\/waterfall\">Go directly to the Highcharts demo page for \u201cWaterfall\u201d to view its code, play around with different theme colors or edit it on JSFiddle or Codepen.<\/a><br \/>\n&nbsp;<\/p>\n<p><iframe style=\"width: 100%;\" title=\"Waterfall chart\" src=\"https:\/\/www.highcharts.com\/samples\/embed\/highcharts\/demo\/waterfall\" height=\"600\" frameborder=\"no\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><\/iframe><\/p>\n<p>Let&#8217;s build the waterfall chart above that shows a company&#8217;s financial progression from initial capital through revenues and costs to final balance. We&#8217;ll break this down into clear, manageable steps using Highcharts.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Initial setup and required files<\/strong><\/p>\n<p>First, we need to include the necessary script files and create our container structure:<\/p>\n<pre><code>&lt;script src=\"https:\/\/code.highcharts.com\/highcharts.js\"&gt;&lt;\/script&gt;\r\n&lt;script src=\"https:\/\/code.highcharts.com\/highcharts-more.js\"&gt;&lt;\/script&gt;\r\n&lt;script src=\"https:\/\/code.highcharts.com\/modules\/accessibility.js\"&gt;&lt;\/script&gt;\r\n&lt;figure class=\"highcharts-figure\"&gt;\r\n    &lt;div id=\"container\"&gt;&lt;\/div&gt;\r\n    &lt;p class=\"highcharts-description\"&gt;\r\n        Waterfall charts are used to visualize cumulative values,\r\n        where each data point contributes to a total. In this example,\r\n        points showing intermediate sums are used to indicate the\r\n        progression of the total.\r\n    &lt;\/p&gt;\r\n&lt;\/figure&gt;<\/code><\/pre>\n<p>This structure provides the foundation for our chart and includes all necessary Highcharts modules, including the core library, additional features, and accessibility support.<\/p>\n<p><strong>highcharts-more.js is<\/strong> an additional module for Highcharts. This module extends the core functionality of Highcharts by adding support for more advanced chart types like waterfall charts.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Styling the visualization<\/strong><\/p>\n<p>Next, we&#8217;ll add CSS to control the layout and appearance:<\/p>\n<pre><code>.highcharts-figure {\r\n    min-width: 320px;\r\n    max-width: 700px;\r\n    margin: 1em auto;\r\n}\r\n.highcharts-description {\r\n    margin: 0.3rem 10px;\r\n}<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p><strong>Implementing the chart<\/strong><\/p>\n<p>Now we&#8217;ll add the JavaScript code that creates our waterfall chart:<\/p>\n<pre><code>Highcharts.chart('container', {\r\n    chart: {\r\n        type: 'waterfall'\r\n    },\r\n    title: {\r\n        text: 'Highcharts Waterfall'\r\n    },\r\n    xAxis: {\r\n        type: 'category'\r\n    },\r\n    yAxis: {\r\n        title: {\r\n            text: 'USD'\r\n        }\r\n    },\r\n    legend: {\r\n        enabled: false\r\n    },\r\n    tooltip: {\r\n        pointFormat: '<b>${point.y:,.2f}<\/b> USD'\r\n    },\r\n    series: [{\r\n        upColor: Highcharts.getOptions().colors[2],\r\n        color: Highcharts.getOptions().colors[3],\r\n        data: [{\r\n            name: 'Start',\r\n            y: 120000\r\n        }, {\r\n            name: 'Product Revenue',\r\n            y: 569000\r\n        }, {\r\n            name: 'Service Revenue',\r\n            y: 231000\r\n        }, {\r\n            name: 'Positive Balance',\r\n            isIntermediateSum: true,\r\n            color: Highcharts.getOptions().colors[1]\r\n        }, {\r\n            name: 'Fixed Costs',\r\n            y: -342000\r\n        }, {\r\n            name: 'Variable Costs',\r\n            y: -233000\r\n        }, {\r\n            name: 'Balance',\r\n            isSum: true,\r\n            color: Highcharts.getOptions().colors[1]\r\n        }],\r\n        dataLabels: {\r\n            enabled: true,\r\n            format: '{divide y 1000}k'\r\n        },\r\n        pointPadding: 0\r\n    }]\r\n});<\/code><\/pre>\n<h2><\/h2>\n<h2><strong>Key configuration elements<\/strong><\/h2>\n<p>The waterfall chart configuration contains several crucial components that control its behavior and appearance:<\/p>\n<p><strong>Chart type and basic setup<\/strong><\/p>\n<p>The chart type is explicitly set to &#8216;waterfall&#8217;, which enables the specialized rendering needed for this visualization. The configuration includes essential elements for axis setup, tooltips, and data formatting.<\/p>\n<p><strong>Data structure<\/strong><\/p>\n<p>The data array contains objects that define each point in the waterfall. Each point can have several properties:<\/p>\n<ul>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>name<\/strong>: Label for the data point shown on the x-axis<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>y<\/strong>: Numerical value representing the change<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>isIntermediateSum<\/strong>: Boolean flag for showing subtotals<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>isSum<\/strong>: Boolean flag for the final total<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>color<\/strong>: Optional specific color for individual points<\/li>\n<\/ul>\n<h2><\/h2>\n<h2><strong>Advanced customization options<\/strong><\/h2>\n<p>Waterfall charts offer numerous customization possibilities to enhance their effectiveness:<\/p>\n<p><strong>Color schemes<\/strong><\/p>\n<p>Colors play a crucial role in waterfall charts. The example uses different colors for positive and negative values, making changes immediately visible. The upColor and color properties control these defaults, while individual points can override them.<\/p>\n<p><strong>Data labels<\/strong><\/p>\n<p>The dataLabels configuration controls how values appear on the chart. Our example formats large numbers in thousands with a &#8216;k&#8217; suffix for better readability. You can customize the format, position, and styling of these labels.<\/p>\n<p><strong>Tooltips<\/strong><\/p>\n<p>Tooltips provide additional information when users hover over chart elements. The pointFormat property defines how this information appears, including value formatting and units.<\/p>\n<h2><\/h2>\n<h2><strong>Common application areas<\/strong><\/h2>\n<p>Waterfall charts serve various purposes across different industries:<\/p>\n<p><strong>Financial analysis<\/strong><\/p>\n<p>In finance, waterfall charts help visualize:<\/p>\n<ul>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Profit and loss statements<\/strong>: Showing how revenues and expenses lead to net profit<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Budget analysis<\/strong>: Tracking changes between periods or variances from planned values<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Cash flow analysis<\/strong>: Illustrating how different activities affect cash position<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Project management<\/strong><\/p>\n<p>Project managers use waterfall charts to:<\/p>\n<ul>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Resource allocation<\/strong>: Showing how resources are distributed across project phases<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Cost tracking<\/strong>: Monitoring how different activities contribute to total project cost<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Schedule analysis<\/strong>: Visualizing how different tasks affect overall timeline<\/li>\n<\/ul>\n<h2><\/h2>\n<h2><strong>Best practices for effective waterfall charts<\/strong><\/h2>\n<p>To create clear and informative waterfall charts, consider these guidelines:<\/p>\n<p><strong>Data organization<\/strong><\/p>\n<p>Arrange data points in a logical sequence that tells a clear story. Group related items together and use intermediate sums to break down complex progressions into digestible segments.<\/p>\n<p><strong>Visual clarity<\/strong><\/p>\n<p>Maintain consistent color coding throughout the chart. Use contrasting colors for positive and negative values, and distinct colors for totals. Ensure labels are readable and properly positioned.<\/p>\n<p><strong>Interactive features<\/strong><\/p>\n<p>Take advantage of interactive features like tooltips to provide additional context. Consider adding drill-down capabilities for complex data sets where users might want to explore details.<\/p>\n<h2><\/h2>\n<h2><strong>Troubleshooting common issues<\/strong><\/h2>\n<p>When implementing waterfall charts, you might encounter these common challenges:<\/p>\n<p><strong>Label overlap<\/strong><\/p>\n<p>In cases where data labels overlap, consider these solutions:<\/p>\n<ul>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Adjust label positioning<\/strong> using the dataLabels.position property<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Rotate labels<\/strong> using the dataLabels.rotation property<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Format labels differently<\/strong> to reduce their size<\/li>\n<\/ul>\n<p><strong>Scale issues<\/strong><\/p>\n<p>When dealing with widely varying values:<\/p>\n<ul>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Consider logarithmic scales<\/strong> for large value ranges<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Break out extreme values<\/strong> into separate charts<\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><strong>Use appropriate number formatting<\/strong> to maintain readability<\/li>\n<\/ul>\n<h2><\/h2>\n<h2><strong>Conclusion<\/strong><\/h2>\n<p>Waterfall charts offer a powerful way to visualize sequential changes and their cumulative effects. When implemented properly using Highcharts, they provide clear insights into how individual components contribute to a final result. The combination of thoughtful data organization, appropriate visual design, and interactive features creates charts that effectively communicate complex relationships.<\/p>\n<p>Remember to consider your audience when designing waterfall charts. Focus on clarity and comprehension, using appropriate levels of detail and interactivity. With proper implementation and attention to best practices, waterfall charts become valuable tools for understanding and communicating sequential changes in your data.<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/docs\/index\"><span style=\"font-weight: 400;\">Documentation \u2013 Getting started with Highcharts<\/span><\/a><\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/docs\/chart-and-series-types\/waterfall-series\"><span style=\"font-weight: 400;\">Documentation \u2013 Waterfall chart<\/span><\/a><\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/demo\"><span style=\"font-weight: 400;\">Demo\/example section<\/span><\/a><\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/products\/highcharts\/\"><span style=\"font-weight: 400;\">Highcharts\u00ae Core product page<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>Related posts<\/strong><\/h2>\n<ul>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/blog\/inspirations\/charts-in-javascript-with-highcharts\/\">Charts in JavaScript with Highcharts<\/a><\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/blog\/inspirations\/graphing-in-javascript-with-highcharts\/\">Graphing in JavaScript with Highcharts<\/a><\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/blog\/inspirations\/dynamic-charts-in-javascript-with-highcharts\/\">Dynamic charts in JavaScript with Highcharts<\/a><\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/blog\/inspirations\/javascript-data-visualization-with-highcharts\/\">JavaScript data visualization with Highcharts<\/a><\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/blog\/post\/javascript-chart-examples-using-highcharts\/\">JavaScript chart examples using Highcharts<\/a><\/li>\n<li style=\"margin-left: 20px; margin-bottom: 20px;\"><a href=\"https:\/\/www.highcharts.com\/blog\/inspirations\/data-charting-with-highcharts\/\">Data charting with Highcharts<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Waterfall charts are powerful visualization tools that show how sequential positive and negative values affect a total. These charts help track how a starting value changes through intermediate steps to reach a final result. While they originated in financial analysis, waterfall charts now serve many industries where understanding cumulative changes is important. This blog post [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":26398,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"meta_title":"","meta_description":"","hc_selected_options":[],"footnotes":""},"categories":[210],"tags":[1063,1094,1031],"coauthors":[695],"class_list":["post-26146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials","tag-data-visualization","tag-highcharts-core","tag-javascript"],"_links":{"self":[{"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/posts\/26146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/comments?post=26146"}],"version-history":[{"count":3,"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/posts\/26146\/revisions"}],"predecessor-version":[{"id":26444,"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/posts\/26146\/revisions\/26444"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/media\/26398"}],"wp:attachment":[{"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/media?parent=26146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/categories?post=26146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/tags?post=26146"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.highcharts.com\/blog\/wp-json\/wp\/v2\/coauthors?post=26146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}