Looking at the universe of stocks we cover at Dividend Channel, on 5/13/13, BlackRock MuniYield Quality Fund III, Inc. ( MYI) will trade ex-dividend, for its monthly dividend of $0.072, payable on 6/3/13. As a percentage of MYI's recent stock price of $15.45, this dividend works out to approximately 0.47%.Below is a dividend history chart for MYI, showing historical dividends prior to the most recent $0.072 declared by BlackRock MuniYield Quality Fund III, Inc.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from MYI is likely to continue, and whether the current estimated yield of 5.59% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of MYI shares, versus its 200 day moving average: Looking at the chart above, MYI's low point in its 52 week range is $14.37 per share, with $16.54 as the 52 week high point — that compares with a last trade of $15.48. According to the ETF Finder at ETF Channel, MYI makes up 2.68% of the CEF Municipal Income ETF ( XMPT) which is trading up by about 0.2% on the day Thursday. In Thursday trading, BlackRock MuniYield Quality Fund III, Inc. shares are currently down about 0.3% on the day.