Looking at the universe of stocks we cover at Dividend Channel, on 9/26/13, Sun Communities, Inc. ( SUI) will trade ex-dividend, for its quarterly dividend of $0.63, payable on 10/18/13. As a percentage of SUI's recent stock price of $45.17, this dividend works out to approximately 1.39%, so look for shares of Sun Communities, Inc. to trade 1.39% lower — all else being equal — when SUI shares open for trading on 9/26/13.Below is a dividend history chart for SUI, showing historical dividends prior to the most recent $0.63 declared by Sun Communities, Inc.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from SUI is likely to continue, and whether the current estimated yield of 5.58% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of SUI shares, versus its 200 day moving average: Looking at the chart above, SUI's low point in its 52 week range is $36.15 per share, with $57.78 as the 52 week high point — that compares with a last trade of $45.09. According to the ETF Finder at ETF Channel, SUI makes up 3.20% of the KBW Premium Yield Equity REIT Portfolio ETF ( KBWY) which is trading lower by about 0.1% on the day Tuesday. In Tuesday trading, Sun Communities, Inc. shares are currently down about 0.2% on the day.