Looking at the universe of stocks we cover at Dividend Channel, on 3/26/13, HSBC Holdings plc (HCS) HCS will trade ex-dividend, for its quarterly dividend of $0.5078, payable on 4/15/13. As a percentage of HCS's recent stock price of $25.95, this dividend works out to approximately 1.96%, so look for shares of HSBC Holdings plc to trade 1.96% lower — all else being equal — when HCS shares open for trading on 3/26/13.Below is a dividend history chart for HCS, showing historical dividends prior to the most recent $0.5078 declared by HSBC Holdings plc: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from HCS is likely to continue, and whether the current estimated yield of 7.83% on annualized basis is a reasonable expectation of annual yield going forward. According to the ETF Finder at ETF Channel, HCS makes up 1.30% of the iShares S&P U.S. Preferred Stock Index Fund ETF ( PFF) PFF which is trading up by about 0.1% on the day Friday. In Friday trading, HSBC Holdings plc shares are currently trading flat on the day.