Looking at the universe of stocks we cover at Dividend Channel, on 5/2/13, Sterling Financial Corp. ( STSA) will trade ex-dividend, for its quarterly dividend of $0.20, payable on 5/20/13. As a percentage of STSA's recent stock price of $22.01, this dividend works out to approximately 0.91%, so look for shares of Sterling Financial Corp. to trade 0.91% lower — all else being equal — when STSA shares open for trading on 5/2/13.Below is a dividend history chart for STSA, showing historical dividends prior to the most recent $0.20 declared by Sterling 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 STSA is likely to continue, and whether the current estimated yield of 3.63% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of STSA shares, versus its 200 day moving average: Looking at the chart above, STSA's low point in its 52 week range is $17.19 per share, with $23.22 as the 52 week high point — that compares with a last trade of $21.92. According to the ETF Finder at ETF Channel, STSA makes up 1.30% of the Dynamic Financial Sector Portfolio ETF ( PFI) which is trading lower by about 0.3% on the day Tuesday. In Tuesday trading, Sterling Financial Corp. shares are currently up about 1.1% on the day.