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ExxonMobil Holdings Corp Asy. Power MEM Volatility Analysis

Volatility prediction for Monday, October 12th, 2026

1 Day

21.18%

decreased by 1.11%

1 Week

20.21%

decreased by 2.08%

1 Month

17.55%

decreased by 4.74%

Analysis last updated: Saturday, October 10, 2026 at 02:21 AM UTC

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Date Range:

from

10/09/2024

to

10/09/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of ExxonMobil Holdings Corp APMEM

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

This asset exhibits a modest leverage effect: negative returns increase next-day volatility 21% more than equivalent positive returns. The volatility power δ = 1.00 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

μ

APMEM Model

Tap to view equation

Leverage: Negative returns increase volatility 21% more than positive returnsδ = 1.00 · sub-quadratic power
ParamValuet-stat
ωconst0.0442
7.34***
αARCH0.2042
19.11***
βGARCH0.7792
67.08***
γleverage0.0940
5.13***
δpower0.9998
5.72***

0.942

Persistence

12d

Half-life
μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0442
7.34***
α

ARCH

Response to squared shocks

0.2042
19.11***
β

GARCH

Volatility persistence

0.7792
67.08***
γ

leverage

Additional response to negative shocks

0.0940
5.13***
δ

power

Transformation power

0.9998
5.72***

Persistence:

0.942

Half-life:

12 days