Different date on tooltip

[vsil]

Hello,

I have a dimension_group called activity_date, a measure called counter and a table calculation where each counter value is offset by 7.  Essentially, the data looks like this:

activity_date	counter	counter_offset
2020-03-01	100	10
2020-02-28	50	50
2020-02-27	30	...
2020-02-26	100	...
2020-02-25	200	...
2020-02-24	500	...
2020-02-23	100	...
2020-02-22	10	...
2020-02-21	50	...
...	...	...

When both counter and counter_offset are plotted as line graphs, the tooltip for both graphs obviously shows the activity_date. Is there a way to have counter_offset line graph tooltip to display a different date, which essentially is offset(activity_date, 7)?

Following the example, counter line graph’s tooltip would display 2020-03-01 (the x axis value) but counter_offset line graph’s tooltip would show the date 2020-02-22.