Looking at the universe of stocks we cover at Dividend Channel, on 10/31/13, Blueknight Energy Partners L P ( BKEP) will trade ex-dividend, for its quarterly dividend of $0.1225, payable on 11/14/13. As a percentage of BKEP's recent stock price of $8.93, this dividend works out to approximately 1.37%, so look for shares of Blueknight Energy Partners L P to trade 1.37% lower — all else being equal — when BKEP shares open for trading on 10/31/13.Below is a dividend history chart for BKEP, showing historical dividends prior to the most recent $0.1225 declared by Blueknight Energy Partners L P: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from BKEP is likely to continue, and whether the current estimated yield of 5.49% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of BKEP shares, versus its 200 day moving average: Looking at the chart above, BKEP's low point in its 52 week range is $6.32 per share, with $9.50 as the 52 week high point — that compares with a last trade of $8.93. According to Preferred Stock Channel, there is a series of preferred stock that is senior to BKEP, which trades under the symbol BKEPP — more info ». In Tuesday trading, Blueknight Energy Partners L P shares are currently off about 0.2% on the day.