Looking at the universe of stocks we cover at Dividend Channel, on 12/3/13, Enerplus Corp ( ERF) will trade ex-dividend, for its monthly dividend of $0.09, payable on 12/20/13. As a percentage of ERF's recent stock price of $18.60, this dividend works out to approximately 0.48%.Below is a dividend history chart for ERF, showing historical dividends prior to the most recent $0.09 declared by Enerplus Corp: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from ERF is likely to continue, and whether the current estimated yield of 5.81% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of ERF shares, versus its 200 day moving average: Looking at the chart above, ERF's low point in its 52 week range is $12.03 per share, with $18.75 as the 52 week high point — that compares with a last trade of $18.67. According to the ETF Finder at ETF Channel, ERF makes up 3.28% of the Guggenheim Canadian Energy Income ETF ( ENY) which is trading relatively unchanged on the day Friday. In Friday trading, Enerplus Corp shares are currently up about 1.6% on the day.