Looking at the universe of stocks we cover at Dividend Channel, on 3/28/14, Vanguard Natural Resource LLC ( VNR) will trade ex-dividend, for its monthly dividend of $0.21, payable on 4/14/14. As a percentage of VNR's recent stock price of $29.82, this dividend works out to approximately 0.70%, so look for shares of Vanguard Natural Resource LLC to trade 0.70% lower — all else being equal — when VNR shares open for trading on 3/28/14.Below is a dividend history chart for VNR, showing historical dividends prior to the most recent $0.21 declared by Vanguard Natural Resource LLC: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from VNR is likely to continue, and whether the current estimated yield of 8.45% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of VNR shares, versus its 200 day moving average: Looking at the chart above, VNR's low point in its 52 week range is $24.23 per share, with $31.50 as the 52 week high point — that compares with a last trade of $29.89. According to the ETF Finder at ETF Channel, VNR makes up 9.16% of the Junior MLP ETF ( MLPJ) which is trading relatively unchanged on the day Wednesday. In Wednesday trading, Vanguard Natural Resource LLC shares are currently up about 0.1% on the day.