Note that dividend yield can change on a rolling basis, as the dividend payment and the stock price both fluctuate over time. The dividend yield is calculated by dividing the annual dividend payment by the current stock price. As the stock price changes, the dividend yield will also change. For example, if a stock pays an annual dividend of $2 and its current price is$50, its dividend yield would be 4%. However, if the stock price increases to $60, the dividend yield would decrease to 3.33$2/$60). UniFi ...