Various Indicators create choppy lines or histograms when viewed
with their most basic settings. To smooth those Indicators,
one can apply things like Simple or Exponential Moving
Averages to help gain more clarity.
For example:
Notice how the Cyan colored TRIX line by itself
would not give clear signals.

Creating an Indicator on Indicator is easy:
Highlight
the graph and click the indicator menu.
Choose Smoothing > Exponential Moving Average,
then make TRIX the "source" for the study, click Apply.
Then drag the EMA to the TRIX sub-graph
to overlay.
Notice how the Purple EMA of TRIX line has smoothed out
the TRIX and provides useful simple
crossover signals.
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Watch the Video...
Video Tutorials:
When first applying an Indicator, notice the various options
of the Source data you can use. There is Open, High, Low,
Close, Median and most other Indicators you might already
have on the chart. The Source for the above EMA is the TRIX chosen
in the Source field.
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