Jamie
Yes it is possible. You can just plot a constant value in the chart in which case the price will be displayed in the price scale. If instead you want to draw the lines then you can use this efs from the EFS Library as an example.
Alex
Jamie
Not with the methods I indicated in my prior reply. To be able to click and drag a line that you have drawn using efs you would need to use the addLineTool() function.
Alex
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