I was introduced to "volatility-based decomposition" which addresses some of what you are identifying (if you haven't seen it already). https://www.informit.co

I was introduced to "volatility-based decomposition" which addresses some of what you are identifying (if you haven't seen it already). https://www.informit.com/articles/article.aspx?p=2995357&seqNum=2 https://www.informit.com/articles/article.aspx?p=2995357&seq...