Arithmetic Mean

A method of averaging that initially replaces the smallest and largest values with the observations closest to them. After replacing the values, a simple arithmetic averaging formula is ...

A simple, or arithmetic, moving average that is calculated by adding the closing price of the security for a number of time periods and then dividing this total by the number of time ...

An indicator frequently used in technical analysis showing the average value of a security's price over a set period. Moving averages are generally used to measure momentum and define ...

An index of securities that uses an arithmetic sum to determine changes in the index without taking the relative size of the securities into account. An arithmetic index of stocks does ...

A simple arithmetic or geometric average used to calculate stock indexes. Equal weight is invested in each of the stocks in an index with equal dollar amounts invested in each underlying ...

The average of a set of products, the calculation of which is commonly used to determine the performance results of an investment or portfolio. Technically defined as "the 'n'th root ...

A method of averaging that removes a small percentage of the largest and smallest values before calculating the mean. After removing the specified observations, the trimmed mean is found ...