# What is the ARMA model, and how is it used for forecasting?

_Last updated: 2026-07-20_  
_Reviewed by: Jason Burns, Editorial Steward_  
_Published by: AIDirectAnswers.com · Licensed under Citation License 1.0_

## Short answer

The ARMA (AutoRegressive Moving Average) model is a classical time-series forecasting model that expresses the current value of a series as a linear combination of past values (autoregressive terms) and past forecast errors (moving average terms).

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_Author: [Jason Burns](https://www.linkedin.com/in/jason-randolph-burns), Editorial Steward_  
_Published: 2026-07-20 · Modified: 2026-07-20_  
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