Looking at the universe of stocks we cover at Dividend Channel, on 8/13/13, BlackRock Municipal Income Trust ( BFK) will trade ex-dividend, for its monthly dividend of $0.0751, payable on 9/3/13. As a percentage of BFK's recent stock price of $12.29, this dividend works out to approximately 0.61%, so look for shares of BlackRock Municipal Income Trust to trade 0.61% lower — all else being equal — when BFK shares open for trading on 8/13/13.Below is a dividend history chart for BFK, showing historical dividends prior to the most recent $0.0751 declared by BlackRock Municipal Income Trust: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from BFK is likely to continue, and whether the current estimated yield of 7.33% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of BFK shares, versus its 200 day moving average: Looking at the chart above, BFK's low point in its 52 week range is $12.29 per share, with $16.79 as the 52 week high point — that compares with a last trade of $12.29. According to the ETF Finder at ETF Channel, BFK makes up 1.30% of the CEF Municipal Income ETF ( XMPT) which is trading relatively unchanged on the day Friday. In Friday trading, BlackRock Municipal Income Trust shares are currently down about 0.7% on the day.