Now it appears to be working but have noticed this before. Yesterday on a 1 minute chart of FB I had multiple trend lines and today when I went back to look at them they were gone, but now they have returned. It is almost like they did not load or were delayed in loading, just not sure but I will pay more attention to my settings if it happens again,
thank you
Can you give more details please.
1) do you have MT set to have unique trendlines per chart? Yes I have it checked
2) Is the chart window in question linked? No it is not linked
3) How exactly are you changing symbols? I am clicking into the chart that is not linked and typing the symbol in