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ReductionStockOptions.Level Property

Gets or sets a particular price value (open, close, high or low) which the analysis of the price action is performed by.

Namespace: DevExpress.XtraCharts

Assembly: DevExpress.XtraCharts.v24.1.dll

NuGet Package: DevExpress.Charts


public StockLevel Level { get; set; }

Property Value

Type Description

A StockLevel enumeration value.

Available values:

Name Description

Specifies the Low level of price data.


Specifies the High level of price data.


Specifies the Open level of price data.


Specifies the Close level of price data.

Property Paths

You can access this nested property as listed below:

Object Type Path to Level


Use the Level property to specify a price value (in particular, StockLevel.Open, StockLevel.Close, StockLevel.High or StockLevel.Low) which is taken into account when analyzing the price action to ascertain that the price reduction takes place.


This example creates a ChartControl with a series of the StockSeriesView type and adds this chart to a form at runtime. Before you proceed with this example, create a Windows Forms Application in Visual Studio and include all necessary assemblies in the References list of your project.

For more information about the features of financial charts, refer to the following help topic: Financial Charting

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using DevExpress.XtraCharts;
    private void Form1_Load(object sender, EventArgs e) {
        // Create a new chart.
        ChartControl stockChart = new ChartControl();

        // Create a stock series.
        Series series1 = new Series("Series 1", ViewType.Stock);

        // Bind the series to data.
        series1.DataSource = GetDataPoints();
        series1.SetFinancialDataMembers("Argument", "Low", "High", "Open", "Close");

        // Specify that date-time arguments are expected.
        series1.ArgumentScaleType = ScaleType.DateTime;

        // Add the series to the chart.

        // Customize the series view settings.
        StockSeriesView view = (StockSeriesView)series1.View;

        view.LineThickness = 2;
        view.LevelLineLength = 0.25;

        // Specify the series reduction options.
        view.ReductionOptions.ColorMode = ReductionColorMode.OpenToCloseValue;
        view.ReductionOptions.Level = StockLevel.Close;
        view.ReductionOptions.Visible = true;

        // Set point colors.
        view.Color = Color.Green;
        view.ReductionOptions.Color = Color.Red;

        // Access the chart's diagram.
        XYDiagram diagram = (XYDiagram)stockChart.Diagram;

        // Exclude empty ranges from the X-axis range
        // to avoid gaps in the chart's data.
        diagram.AxisX.DateTimeScaleOptions.SkipRangesWithoutPoints = true;

        // Hide the range without points at the beginning of the y-axis.
        diagram.AxisY.WholeRange.AlwaysShowZeroLevel = false;

        // Hide the legend.
        stockChart.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False;

        // Add a title to the chart.
        stockChart.Titles.Add(new ChartTitle());
        stockChart.Titles[0].Text = "Stock Chart";

        // Add the chart to the form.
        stockChart.Dock = DockStyle.Fill;

    List<DataPoint> GetDataPoints() {
        List<DataPoint> dataPoints = new List<DataPoint> {
            new DataPoint(DateTime.Now.AddDays(-9), 24.00, 25.00, 25.00, 24.875),
            new DataPoint(DateTime.Now.AddDays(-8), 23.625, 25.125, 24.00, 24.875),
            new DataPoint(DateTime.Now.AddDays(-7), 26.25, 28.25, 26.75, 27.00),
            new DataPoint(DateTime.Now.AddDays(-6), 26.50, 27.875, 26.875, 27.25),

            new DataPoint(DateTime.Now.AddDays(-4), 25.75, 26.875, 26.75, 26.00),
            new DataPoint(DateTime.Now.AddDays(-3), 25.75, 26.75, 26.125, 26.25),
            new DataPoint(DateTime.Now.AddDays(-2), 25.75, 26.375, 26.375, 25.875),
            new DataPoint(DateTime.Now.AddDays(-1), 24.875, 26.125, 26.00, 25.375),
            new DataPoint(DateTime.Now.AddDays(0), 25.125, 26.00, 25.625, 25.75),
        return dataPoints;
public class DataPoint {
    public DateTime Argument { get; set; }
    public double Low { get; set; }
    public double High { get; set; }
    public double Open { get; set; }
    public double Close { get; set; }
    public DataPoint(DateTime arg, double low, double high, double open, double close) {
        this.Argument = arg;
        this.Low = low;
        this.High = high;
        this.Open = open;
        this.Close = close;
See Also