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Yahoo Finance Chart Step 8 - Callouts

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CColinEberhardt
Last edited Jul 9, 2015
Created on Jul 4, 2015

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 Step 7 - Annotations

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Yahoo Finance Chart Step 9 - Legend

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Yahoo Finance Chart Step 4 - Moving Average

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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

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 2 - Gidlines and Area

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