現價息率、本期收益 、目前收益率
current yield
指年收入占投資額的比例。比如，如果年收入為$10，投資額為$100，本期收益率就是10%。
It refers to the proportion of annual income investment. For example, if the annual income is $ 10, the investment amounted to $ 100, the current yield is 10%.