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Howmet Aerospace Inc EGARCH Volatility Analysis

Volatility prediction for Monday, October 19th, 2026

1 Day

35.55%

decreased by 1.05%

1 Week

35.74%

decreased by 0.86%

1 Month

36.44%

decreased by 0.16%

Analysis last updated: Friday, October 16, 2026 at 11:17 PM UTC

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Date Range:

from

10/16/2024

to

10/16/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Howmet Aerospace Inc EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 16, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 141% more than equivalent positive returns.

σ

EGARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 141% more than positive returns
ParamValuet-stat
ωconst0.0242
2.30**
αARCH0.0963
8.58***
βGARCH0.9883
293.70***
γleverage-0.0398
-2.77***

0.988

Persistence

59d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0242
2.30**
α

ARCH

Response to squared shocks

0.0963
8.58***
β

GARCH

Volatility persistence

0.9883
293.70***
γ

leverage

Additional response to negative shocks

-0.0398
-2.77***

Persistence:

0.988

Half-life:

59 days