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Return on investment (ROI) or return on costs (ROC) is the ratio between net income (over a period) and investment (costs resulting from an investment of some resources at a point in time). A high ROI means the investment's gains compare favorably to its cost.
Return on investment is not always positive. Here’s an example of negative ROI. An investor bought 100 shares of XYZ Company stock on Jan. 1, 2020, for $100 per share, for a total investment of ...
A negative initial value usually occurs for a liability or short position. If the initial value is negative, and the final value is more negative, then the return will be positive. In such a case, the positive return represents a loss rather than a profit. If the initial value is zero, then no return can be calculated.
If, for example, this ratio is greater than 1, machinery can be bought at one price and then generate output worth the larger amount that is reflected in its market value, giving positive economic profit. In some research, investment is modeled as an increasing function of the gap between the optimal capital stock and the current capital stock ...
The rate of return on a portfolio can be calculated indirectly as the weighted average rate of return on the various assets within the portfolio. [3] The weights are proportional to the value of the assets within the portfolio, to take into account what portion of the portfolio each individual return represents in calculating the contribution of that asset to the return on the portfolio.
Alpha is a measure of the active return on an investment, the performance of that investment compared with a suitable market index.An alpha of 1% means the investment's return on investment over a selected period of time was 1% better than the market during that same period; a negative alpha means the investment underperformed the market.
The return on equity (ROE) is a measure of the profitability of a business in relation to its equity; [1] where: . ROE = Net Income / Average Shareholders' Equity [1] Thus, ROE is equal to a fiscal year's net income (after preferred stock dividends, before common stock dividends), divided by total equity (excluding preferred shares), expressed as a percentage.
This procedure is done because, unlike market values which reflect future expectations in efficient markets, book values more closely reflect the amount of initial capital invested to generate a return. The denominator represents the average value of the invested capital rather than the value of the end of the year. This is because the NOPAT ...