Looking at the universe of stocks we cover at Dividend Channel, on 8/16/16, Phillips 66 (NYSE: PSX) will trade ex-dividend, for its quarterly dividend of $0.63, payable on 9/1/16. As a percentage of PSX's recent stock price of $78.34, this dividend works out to approximately 0.80%, so look for shares of Phillips 66 to trade 0.80% lower — all else being equal — when PSX shares open for trading on 8/16/16.