Auto-Regressive (AR) Process

Definition:

A stationary stochastic process where the current value of the time series is related to the past p values, where p is any integer, is called an AR(p) process. When the current value is related to the previous two values, it is an AR(2) process. An AR(1) process has an infinite memory.

Investing Essentials


Copyright © 2011 Campbell R. Harvey, Professor of Finance, Fuqua School of Business at Duke University

Term of the Day

Contingency order

In the context of general equities, order to buy one security, if the trader can sell another, usually given that certain price limits or conditions reach a certain level. Swap, switch order.

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