You can change the number of decimal places that is used for a specific pane in charts.
You can change the number of decimal places that is used for both the underlying symbol and its options.
▪ Right-click the chart pane and choose Set decimal places.
▪ In the Set decimal places dialog, enter the number of decimal places that you want to apply to that chart pane.
The custom decimal places set for the chart pane will be applied to drawing
tools, expressions, studies and all values in data info box except to Volume and Open
Interest. You can also change this setting under Tools > Options > General > Subscription
(see Subscription Settings).
The decimal places set in the chart will only be used within that chart document and data table view.