Looking at the universe of stocks we cover at Dividend Channel, on 5/15/13, Innophos Holdings Inc ( IPHS) will trade ex-dividend, for its quarterly dividend of $0.35, payable on 5/31/13. As a percentage of IPHS's recent stock price of $52.86, this dividend works out to approximately 0.66%, so look for shares of Innophos Holdings Inc to trade 0.66% lower — all else being equal — when IPHS shares open for trading on 5/15/13.Below is a dividend history chart for IPHS, showing historical dividends prior to the most recent $0.35 declared by Innophos Holdings Inc: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from IPHS is likely to continue, and whether the current estimated yield of 2.65% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of IPHS shares, versus its 200 day moving average: Looking at the chart above, IPHS's low point in its 52 week range is $43.29 per share, with $58.50 as the 52 week high point — that compares with a last trade of $52.90. According to the ETF Finder at ETF Channel, IPHS makes up 3.33% of the S&P SmallCap Materials Portfolio ETF ( PSCM) which is trading relatively unchanged on the day Monday. In Monday trading, Innophos Holdings Inc shares are currently down about 0.4% on the day.