Yahoo Finance Chart Step 1 - Basic Chart

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Yahoo Finance Chart Step 1 - Basic Chart

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Last edited Jul 3, 2015

Created on Jul 2, 2015

This example shows a basic time-series area chart of Yahoo Finance stock prices, plotting opening values over time as a filled area. The visualization uses the d3fc library’s `fc.chart.linearTimeSeries` and `fc.series.area` components, with D3’s `d3.csv` loader parsing timestamps into JavaScript Date objects. The chart is rendered as an SVG element, with data read from a local CSV file containing timestamp, open, high, low, and close price columns. The x- and y-domains are automatically calculated from the data using `fc.util.extent`.

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Yahoo Finance Chart Step 2 - Gidlines and Area

This example shows a financial time series chart of Yahoo stock prices, plotting open values as both a filled area and an overlaid line against timestamps. The chart uses horizontal gridlines for scale reference, with five y-axis ticks and a cleaned domain for readability. Built with D3 and the d3fc library, the code constructs a `linearTimeSeries` chart, composes area, line, and gridline series via `fc.series.multi`, and renders the result as an SVG. Data is loaded from a CSV file.

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Yahoo Finance Chart Step 3 - Styling

This example shows a styled financial time-series chart of Yahoo Finance stock data, plotting opening prices as both a line and an area chart over a single trading day. The SVG rendering uses the d3fc library’s `linearTimeSeries` chart, with `area`, `line`, and `gridline` series composed via `multi`. A custom CSS gradient fills the area, while axis labels are repositioned and bolded for readability. Data is loaded from a CSV and parsed into JavaScript `Date` objects using `d3.csv`.

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Yahoo Finance Chart Step 5 - Volume Chart

This example shows a financial time-series chart combining an area chart of opening prices, an overlaid line chart, and a 20-period exponential moving average, with a separate volume bar chart positioned below. The chart uses Yahoo Finance-style data loaded from a CSV file and rendered as SVG. The visualization is built with d3fc components including `fc.chart.linearTimeSeries`, `fc.series.area`, `fc.series.line`, `fc.series.bar`, and `fc.indicator.algorithm.exponentialMovingAverage`, with custom layout positioning for the volume panel.

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Yahoo Finance Chart Step 9 - Legend

This example shows a Yahoo Finance time-series chart of stock price data, displaying open, high, low, close, and volume values with a moving average line, price callouts, and a legend. It uses the d3fc library's `fc.chart.linearTimeSeries` and `fc.chart.legend` APIs, along with D3.js for rendering SVG. The chart combines area, line, and bar series, and colors volume bars red or green based on price movement. Data is loaded from `yahoo.csv` and parsed from timestamps into dates.

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Yahoo Finance Chart Step 4 - Moving Average

This example shows a Yahoo Finance intraday chart for a stock, combining an area series of opening prices with a blue line and a red exponential moving average line, plus gridlines. The chart uses the d3fc library’s `fc.chart.linearTimeSeries`, `fc.series.area`, `fc.series.line`, and `fc.indicator.algorithm.exponentialMovingAverage` components, all rendered as SVG. Data is loaded from a CSV file via `d3.csv` and parsed into date objects. The moving average is computed over a window size of 20 on closing prices, with axes configured to display time and price.

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Yahoo Finance Chart Step 8 - Callouts

This example demonstrates a Yahoo Finance chart of stock prices, using an area and line series to show the opening price over time, with a red moving average line overlaid. The chart uses D3.js with the d3fc library, rendering to SVG. It highlights the final values of the close price and the exponential moving average using styled callout annotations with labels. The data is loaded from a CSV file, and volume bars appear below the main time series, colored red or green based on price movement.

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Yahoo Finance Chart

This example visualizes intraday stock price data from Yahoo Finance using a combination of D3 and d3fc components. The chart displays high, low, open, and close prices, along with trading volume and a moving average, over a discontinuous time scale that skips non-trading hours. A crosshair tooltip shows detailed values for the hovered data point, while callout annotations highlight the most recent high and moving-average values. Trading hours are marked with vertical annotations and shaded bands, and the chart includes a legend summarizing the OHLC and volume data. The visualization uses an SVG renderer and is built with d3.v5, demonstrating how to compose multiple series and annotations using the d3fc library.

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Yahoo Finance Chart Step 12 - Discontinuous Axis

A Yahoo Finance stock chart displays OHLC (open, high, low, close) data as a time series, with an exponential moving average (EMA) overlay and a volume subplot. The example uses a discontinuous axis via the `fc.scale.discontinuity.tradedHours` provider from the d3fc library, which compresses non-trading hours. Built with D3.js (v3.5.5) and d3fc, it renders SVG elements, including an area gradient, line annotations, and crosshair callouts. Data is loaded from a static `yahoo.json` file, with the time axis filtered to trading hours (7 AM–7 PM).

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