Looking at the universe of stocks we cover at Dividend Channel, on 9/26/13, Capstead Mortgage Corp. (CMO) will trade ex-dividend, for its quarterly dividend of $0.31, payable on 12/18/13. As a percentage of CMO's recent stock price of $12.07, this dividend works out to approximately 2.57%, so look for shares of Capstead Mortgage Corp. to trade 2.57% lower — all else being equal — when CMO shares open for trading on 9/26/13.Below is a dividend history chart for CMO, showing historical dividends prior to the most recent $0.31 declared by Capstead Mortgage Corp.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from CMO is likely to continue, and whether the current estimated yield of 10.27% on annualized basis is a reasonable expectation of annual yield going forward.The chart below shows the one year performance of CMO shares, versus its 200 day moving average: Looking at the chart above, CMO's low point in its 52 week range is $10.81 per share, with $14.59 as the 52 week high point — that compares with a last trade of $12.03. According to the ETF Finder at ETF Channel, CMO makes up 3.72% of the KBW High Dividend Yield Financial Portfolio ETF ( KBWD) which is trading higher by about 0.1% on the day Tuesday. According to Preferred Stock Channel, there is are 2 series of preferred stock that are senior to CMO — find out what they are ». In Tuesday trading, Capstead Mortgage Corp. shares are currently down about 0.4% on the day.