Learn what time value is in options trading, its role as a component of extrinsic value, and how to calculate it for better investment decisions.| Investopedia
In finance, a discount refers to a situation when a bond is trading for lower than its par or face value. These include pure discount instruments.| Investopedia
Net present value (NPV) is the difference between the present value of cash inflows and the present value of cash outflows over a period of time.| Investopedia
Return on investment (ROI) is a performance measure used to evaluate the efficiency of an investment or compare the efficiency of several investments.| Investopedia