Looking at the universe of stocks we cover at Dividend Channel, on 2/19/14, Tortoise Energy Infrastructure Fund ( TYG) will trade ex-dividend, for its quarterly dividend of $0.5775, payable on 2/28/14. As a percentage of TYG's recent stock price of $44.00, this dividend works out to approximately 1.31%, so look for shares of Tortoise Energy Infrastructure Fund to trade 1.31% lower — all else being equal — when TYG shares open for trading on 2/19/14.Below is a dividend history chart for TYG, showing historical dividends prior to the most recent $0.5775 declared by Tortoise Energy Infrastructure Fund: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from TYG is likely to continue, and whether the current estimated yield of 5.25% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of TYG shares, versus its 200 day moving average: Looking at the chart above, TYG's low point in its 52 week range is $40.64 per share, with $50.64 as the 52 week high point — that compares with a last trade of $43.94. According to Preferred Stock Channel, there is a series of preferred stock that is senior to TYG, which trades under the symbol TYG.PRB — more info ». In Tuesday trading, Tortoise Energy Infrastructure Fund shares are currently up about 0.5% on the day.