Random walk – what does that even mean?!?

Autocorrelation. I guess I should throw in autoregression as well (special thanks to Abbie). That is all you need to know…. But if you do want to know more, then I will proceed. When academia say that the market, be it the Dow Jones Industrial Average or the S&P 500, is simply a “random walk”, what they mean is that the …

Adam McCurdyRandom walk – what does that even mean?!?