Looking at the universe of stocks we cover at Dividend Channel, on 5/1/13, Oritani Financial Corp ( ORIT) will trade ex-dividend, for its quarterly dividend of $0.175, payable on 5/17/13. As a percentage of ORIT's recent stock price of $15.40, this dividend works out to approximately 1.14%, so look for shares of Oritani Financial Corp to trade 1.14% lower — all else being equal — when ORIT shares open for trading on 5/1/13.Below is a dividend history chart for ORIT, showing historical dividends prior to the most recent $0.175 declared by Oritani Financial Corp : In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from ORIT is likely to continue, and whether the current estimated yield of 4.55% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of ORIT shares, versus its 200 day moving average: Looking at the chart above, ORIT's low point in its 52 week range is $13.27 per share, with $16.10 as the 52 week high point — that compares with a last trade of $15.40. According to the ETF Finder at ETF Channel, ORIT makes up 1.62% of the KBW High Dividend Yield Financial Portfolio ETF ( KBWD) which is trading higher by about 0.3% on the day Monday. In Monday trading, Oritani Financial Corp shares are currently up about 0.6% on the day.