Looking at the universe of stocks we cover at Dividend Channel, on 11/3/16, Martin Midstream Partners LP (MMLP) will trade ex-dividend, for its quarterly dividend of $0.50, payable on 11/14/16. As a percentage of MMLP's recent stock price of $19.55, this dividend works out to approximately 2.56%, so look for shares of Martin Midstream Partners LP to trade 2.56% lower — all else being equal — when MMLP shares open for trading on 11/3/16.Below is a dividend history chart for MMLP, showing historical dividends prior to the most recent $0.50 declared by Martin Midstream Partners LP: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from MMLP is likely to continue, and whether the current estimated yield of 10.23% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of MMLP shares, versus its 200 day moving average: Looking at the chart above, MMLP's low point in its 52 week range is $13.27 per share, with $29.81 as the 52 week high point — that compares with a last trade of $19.55. According to the ETF Finder at ETF Channel, MMLP makes up 3.79% of the Zacks MLP High Income Index Shares ETF ( ZMLP) which is trading relatively unchanged on the day Tuesday. In Tuesday trading, Martin Midstream Partners LP shares are currently trading flat on the day.