Looking at the universe of stocks we cover at Dividend Channel, on 5/1/13, Nuveen AMT-Free Municipal Income Fund ( NEA) will trade ex-dividend, for its monthly dividend of $0.068, payable on 6/3/13. As a percentage of NEA's recent stock price of $14.46, this dividend works out to approximately 0.47%.Below is a dividend history chart for NEA, showing historical dividends prior to the most recent $0.068 declared by Nuveen AMT-Free Municipal Income Fund: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from NEA is likely to continue, and whether the current estimated yield of 5.64% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of NEA shares, versus its 200 day moving average: Looking at the chart above, NEA's low point in its 52 week range is $14.00 per share, with $15.95 as the 52 week high point — that compares with a last trade of $14.46. According to Preferred Stock Channel, there is a series of preferred stock that is senior to NEA, which trades under the symbol NEA.PRC — more info ». In Monday trading, Nuveen AMT-Free Municipal Income Fund shares are currently down about 0.3% on the day.