Overlay Portfolio and Benchmark Returns Distributions

[montezdesousa]

Description

This PR fixes #2218 by overlaying portfolio and benchmark plots as suggested. Still have to add line marker/summary stats.

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[DidierRLopes]

What's the status of this one?

[montezdesousa]

What's the status of this one?

Same status, API got in the way. Though I think just the detail of overlaying the curves is a "quality increment" and stats are already exposed through --raw. So we could just merge this detail if you agree.

Before:

After:

[DidierRLopes]

@montezdesousa yes I agree. Let's do that!