Line Chart with multiple lines (example attached)

[#1]

Hi,

I need to create something like this:

Only the orange bit would be enough.

I see two options:

• Adding another identical expression with a dynamic line width - that would restrict me a lot though and I couldn't put in actual numbers the line should stretch to
• Adding two new expressions (+- a dynamic number of initial expression) and filling in the area in between - but how would I do that?

Can someone help here please?

Thank you! 🙂

[#2]

Another idea: Stacked line chart, first expression is 0.9*expression, second expression is 0.2*expression, colour the first one transparent and the second one in a colour - this gives me the +-10% band of the expression. Any better solutions?