Looking at the universe of stocks we cover at Dividend Channel, on 7/11/13, Nuveen AMT-Free Municipal Income Fund (NEA) will trade ex-dividend, for its monthly dividend of $0.0685, payable on 8/1/13. As a percentage of NEA's recent stock price of $12.53, this dividend works out to approximately 0.55%, so look for shares of Nuveen AMT-Free Municipal Income Fund to trade 0.55% lower — all else being equal — when NEA shares open for trading on 7/11/13.Below is a dividend history chart for NEA, showing historical dividends prior to the most recent $0.0685 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 6.56% 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 $12.01 per share, with $15.95 as the 52 week high point — that compares with a last trade of $12.53. According to the ETF Finder at ETF Channel, NEA makes up 3.24% of the CEF Municipal Income ETF ( XMPT) which is trading relatively unchanged on the day Wednesday. 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 Wednesday trading, Nuveen AMT-Free Municipal Income Fund shares are currently off about 0.7% on the day.