The DividendRank formula at Dividend Channel ranks a coverage universe of thousands of dividend stocks, according to a proprietary formula designed to identify those stocks that combine two important characteristics strong fundamentals and a valuation that looks inexpensive. SandRidge Permian Trust (PER) presently has an excellent rank, in the top 25% of the coverage universe, which suggests it is among the top most "interesting" ideas that merit further research by investors.