ARCH GARCH Analysis - NumXL Articles

Read through the articles related to autoregressive conditional heteroscedasticity (ARCH) models – a family of statistical models describing the current error term or innovation variance over time.

NumXL 1.67 MARTHA public availability

Volatility 201 – ARCH Modeling

This week, we’ll take the prior discussion further and develop an understanding of autoregressive conditional heteroskedasticity (ARCH) volatility modeling. Why do we care? Volatility cannot be directly

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NumXL 1.67 MARTHA public availability

Volatility 102

This week, we continue our on-going series on volatility modeling and forecast. In this issue, we start by defining the various terms in an asset’s

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Volatility 101

In this article, we will start with the definition and general dynamics of volatility in financial time series

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