Trade days/hours and projection line
Why it does not show the projection line?
You always should care about the data you are dealing with: daily, weekly-intraday or daily-intraday.
For example, if you make the projection line for weekly-intraday data you will get this:
The program does not provide the projection line within non trading days (these zones are marked as red bars). So to get the projection line for weekly-intraday data, you need to set the non trading days/hours correctly.
Set these options while downloading the price history data:
More information regarding this issue is here.