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V-Lab

Dow Jones Industrial Average MEM Volatility Analysis

Volatility prediction for Tuesday, September 22nd, 2026

1 Day

11.54%

decreased by 0.58%

1 Week

11.79%

decreased by 0.33%

1 Month

12.66%

increased by 0.54%

Analysis last updated: Tuesday, September 22, 2026 at 12:03 AM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Dow Jones Industrial Average MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 44 trading days, meaning a shock loses half its impact after approximately 44 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 44-day half-life
ParamValuet-stat
ωconst0.0201
2.75***
αARCH0.2243
13.72***
βGARCH0.7601
66.21***

0.984

Persistence

44d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0201
2.75***
α

ARCH

Response to squared shocks

0.2243
13.72***
β

GARCH

Volatility persistence

0.7601
66.21***

Persistence:

0.984

Half-life:

44 days