After some time of watching the efficiency of main indexes (SP500, NASDAQ, DIA) you, like me, may need observed a development of their every day efficiency. I observed the SP500 often falls in the course of the every day return of the NASDAQ and DIA. Ex: their efficiency is both DIA>SP500>NASDAQ or DIA<SP500<NASDAQ. When this occurs I am calling it a “regular unfold”.

However how typically does this occur precisely?

Properly I’ve an excessive amount of free time and entry to a pc so here is a line/column graph and a scatter plot displaying that. On the plot, “% regular unfold” means % of the buying and selling days in a 12 months that my above statement applies. I additionally added the corresponding yearly returns of the SP500 to check with % regular unfold. I do not suppose it actually exhibits something, simply an fascinating metric with a non-random development.