API action details

Reference for chart.change(...actions) action objects. Each page documents action context, sub-actions (Get/Update where applicable), and examples.

Action	What it controls
MainPlot	Sets the primary chart plot (Symbol, Expression, Forward, or Seasonal)
Aggregation	Merges aggregation settings into the current aggregation
Period	Changes visible period or explicit date range
Crosshair	Enables/disables crosshair and styles horizontal/vertical lines
Tooltip	Controls tooltip visibility, mode, and main title behavior
Events	Shows or hides dividends, earnings, and split markers
Scale	Configures scale mode and axis behavior
Other	Misc chart settings such as comparison mode, grid lines, navigator, and locks
Plot	Adds, gets, deletes, and updates plots
Compare	Configures comparison plots against the main plot
Annotation	Deletes, updates, or duplicates annotations
Theme	Applies core chart/axis colors and font sizes
Clear	Removes annotations/studies from one pane or all panes
Previous	Reads or updates the previous-value guide line
MovePlot	Moves a plot between panes
PinPlot	Moves a plot between axes, including detached/no-axis mode