Looking at the universe of stocks we cover at Dividend Channel, on 10/11/13, BlackRock MuniYield Fund ( MYD) will trade ex-dividend, for its monthly dividend of $0.0835, payable on 11/1/13. As a percentage of MYD's recent stock price of $13.03, this dividend works out to approximately 0.64%, so look for shares of BlackRock MuniYield Fund to trade 0.64% lower — all else being equal — when MYD shares open for trading on 10/11/13.Below is a dividend history chart for MYD, showing historical dividends prior to the most recent $0.0835 declared by BlackRock MuniYield Fund: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from MYD is likely to continue, and whether the current estimated yield of 7.69% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of MYD shares, versus its 200 day moving average: Looking at the chart above, MYD's low point in its 52 week range is $12.52 per share, with $17.44 as the 52 week high point — that compares with a last trade of $13.03. According to the ETF Finder at ETF Channel, MYD makes up 1.24% of the CEF Municipal Income ETF ( XMPT) which is trading lower by about 0.3% on the day Wednesday. In Wednesday trading, BlackRock MuniYield Fund shares are currently up about 0.1% on the day.