Open a Trading DOM or open a Chartbook with a Trading DOM
Select the DOM then Click Trade – Customize Chart/Trade DOM Columns
Select Label Column and click the arrow to add it to your DOM. You can arrange the Label Column’s position by clicking the Move Up/Down buttons.
Click Analysis – Studies and add a Line to the Studies. The Settings dialog will come up automatically. Change the Value Format to Inherited and the Chart Region to 1 the click Apply
At the Value field, specify the Label’s price. You can use the instrument’s native price format – Sierra will automatically convert it to decimals
On the Subgraphs tab select the line, change it’s color and set it’s drawing style to Text
Type your text to the Short Name field then click Name Label and set Horizontal Align to Label Column
The easiest way to add further Lines/Labels is to duplicate the existing one.
You can easily display Labels on the Chart DOM as well using the exact same steps.