### Back-Of-The-Envelope Calculation

Back-Of-The-Envelope Calculation What is 'Back-Of-The-Envelope Calculation' An informal mathematical computation, often performed on a scrap of paper such as an envelope. A back-of-the-env

### Standard Deviation

Standard Deviation In mathematics, standard deviation is the degree of the dispersion from a set of data’s mean. The SD is higher when the data is more stretched. In other terms, the squar

### Cost basis

DefinitionBasis, as used in United States tax law, is the original cost of property, adjusted for factors such as depreciation. When property is sold, the taxpayer pays/ taxes on a capital g

### CPI – Consumer Price Index

CPI - Consumer Price Index The consumer price index (CPI) is metric that denotes prices of goods and services including food items, transportation, medical care, and others used by individua

### Calculation Agent

Calculation Agent What is 'Calculation Agent' An entity that determines the price of an investment product such as a swap. A calculation agent calculates the value of a derivative or the a

### Price Earnings Ratio

DefinitionThe price/earnings ratio is the ratio of a company's stock price to the company's earnings per share. The ratio is used in valuing companies. Price Earnings Ratio The P/E Ratio is

### Profit Margin

DefinitionProfit margin, net margin, net profit margin or net profit ratio is a measure of profitability. It is calculated by finding the net profit as a percentage of the revenue. Profit Ma

### Qualified Production Activities Income (QPAI)

Qualified Production Activities Income (QPAI) What is 'Qualified Production Activities Income - QPAI' Income derived from domestic production that qualifies for reduced taxation. More spe

### Quarter To Date (QTD)

Quarter To Date (QTD) What is 'Quarter To Date - QTD' A time interval that captures all relevant company activity that occurred between the beginning of the current quarter and the time in