Hi Fat Tails,
Do you mind if I ask you what indicators plots the colored lines on the attached chart.

Thanks,

That's look like keltner channel or moving average envelope to me ... , ninja default indi ...
but, lets wait for @Fat Tails to give the exact answer ...

It is probably a modified Keltner Channel.

Download the Keltner Universal indicator and use it with the parameters as below:

Midband average type = EMA
Midband period = 55
Offset average type = EMA
Offset multiplier = 3.5
Offset period = 55
Range type = SimpleRange
Smoothed channels = false

If the result does not match your chart, just modify the parameters ....

First modify the two midband parameters average type and period. Once the midband looks as expected, you can then modify the 3 offset parameters until you get the channels as needed.

Download: Keltner Universal V4 Exported using NT version 7.0.1000.27 This is a generalized version of the Keltner Channels with a few options added: - The midband can be selected from a moving median, a moving mode or 27 different moving averages, all of which are calculated … personFat Tails