Looking at the universe of stocks we cover at Dividend Channel, on 9/26/13, STAG Industrial Inc. ( STAG) will trade ex-dividend, for its quarterly dividend of $0.30, payable on 10/15/13. As a percentage of STAG's recent stock price of $20.87, this dividend works out to approximately 1.44%, so look for shares of STAG Industrial Inc. to trade 1.44% lower — all else being equal — when STAG shares open for trading on 9/26/13.Below is a dividend history chart for STAG, showing historical dividends prior to the most recent $0.30 declared by STAG Industrial Inc.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from STAG is likely to continue, and whether the current estimated yield of 5.75% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of STAG shares, versus its 200 day moving average: Looking at the chart above, STAG's low point in its 52 week range is $15.78 per share, with $24.35 as the 52 week high point — that compares with a last trade of $20.85. According to the ETF Finder at ETF Channel, STAG makes up 3.81% of the KBW Premium Yield Equity REIT Portfolio ETF ( KBWY) which is trading lower by about 0.1% on the day Tuesday. In Tuesday trading, STAG Industrial Inc. shares are currently off about 0.3% on the day.