Why do we say that low idiosyncratic risk along with low concentrations indicates a systematic approach?
I can’t get the link to the two
Why do we say that low idiosyncratic risk along with low concentrations indicates a systematic approach?
I can’t get the link to the two
Assuming a large, broad market index (e.g., S&P 500, Russell 3000, Wilshire 5000), a systematic approach will have low idiosyncratic risk and low concentrations. The converse isn’t necessarily true, but it’s quite likely.