Is there any reason why the have to be in the same visual?
You can’t create difference visuals? One using the dates and the other for the summary information?
That would really simplify this and be more suitable from a Power BI perspective.
Here’s how to create a chart for just the summary.
You need to create a supporting table that assists with the visual. Maybe you’ll get some good ideas from this mock up.
First you need to create a simple table like the below which will be used as the axis
Have it sit in the model out to the side
Now we have the axis setup
Then create a measure using this technique
Moving Average Results =
VAR MA = SELECTEDVALUE( 'Moving Average Axis'[Moving Average] )
RETURN
SWITCH( TRUE(),
MA = "30 Day MA", [Sales 30D MA],
MA = "360 Day MA", [Sales 360D MA],
BLANK() )
Add it to the table
Then turn to a visualization
So this is really the technique to use here
See how you go with this and let me know how you go
Chrs
Sam