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ExxonMobil Holdings Corp MEM Volatility Analysis

Volatility prediction for Tuesday, October 13th, 2026

1 Day

19.51%

decreased by 1.48%

1 Week

19.73%

decreased by 1.26%

1 Month

20.51%

decreased by 0.48%

Analysis last updated: Monday, October 12, 2026 at 09:58 PM UTC

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Date Range:

from

10/12/2024

to

10/12/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of ExxonMobil Holdings Corp MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 34-day half-life
ParamValuet-stat
ωconst0.0490
2.50**
αARCH0.1913
12.59***
βGARCH0.7883
71.48***

0.980

Persistence

34d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0490
2.50**
α

ARCH

Response to squared shocks

0.1913
12.59***
β

GARCH

Volatility persistence

0.7883
71.48***

Persistence:

0.980

Half-life:

34 days