TrendlineModel

23 Sep 20251 minute to read

Interface for a class Trendline

Properties

accessibility AccessibilityModel

Options to improve accessibility for chart trendline elements.

animation AnimationModel

Options to customize the animation for trendlines.

backwardForecast number

Defines the period by which the trend is to be backward forecasted.

dashArray string

Configures the pattern of dashes and gaps in the trendline stroke using the dashArray property.

enableTooltip boolean

Enables or disables the tooltip for the trendline using the enableTooltip property. By default, it is set to true.

fill string

The fill color for the trendline, which accepts values in hex or rgba as valid CSS color strings.

forwardForecast number

Defines the period by which the trend must be forward forecasted.

intercept number

Specifies the intercept value of the trendline.

legendShape LegendShape

The legendShape property defines the shape used to represent the trendline in the chart legend.

marker MarkerSettingsModel

Options for customizing the markers for trendlines, including shape, size, color, and other visual aspects.

name string

The name property is used to assign a descriptive name to the trendline, which will be displayed in the chart as a legend.

period number

Defines the period, the price changes over which will be considered to predict the moving average trendline.

polynomialOrder number

Defines the polynomial order of the polynomial trendline.

type TrendlineTypes

Defines the type of trendline used in the series.
Available types are:

  • Linear - A straight line that shows the general direction of data.
  • Exponential - A curve that fits data with exponential growth or decay.
  • Polynomial - A curve that fits data with a polynomial function.
  • Power - A curve that represents data with a power function.
  • Logarithmic - A curve that fits data with a logarithmic scale.
  • MovingAverage - A trendline that smoothens data using a moving average calculation.

visible boolean

The visible property controls the display of the trendline. If set to true, the trendline will be rendered on the chart. If set to false, the trendline will be hidden.

width number

Defines the width of the trendline.