RankMF takes into consideration a variety of factors into consideration and over 20 million data points such as expense ratios, standard deviation, beta, market valuations and multiples, portfolio holdings and diversification/concentration of portfolio, the cash ratio of a fund, size of the fund, the predicted yields and we can go on and on, however one of the most importantly factors is the actual portfolio quality of holdings since that is what is going to deliver investor returns. Know more