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International Business Machines Corp Asy. MEM Volatility Analysis

Volatility prediction for Monday, October 19th, 2026

1 Day

37.33%

increased by 1.65%

1 Week

37.19%

increased by 1.51%

1 Month

36.66%

increased by 0.98%

Analysis last updated: Friday, October 16, 2026 at 11:18 PM UTC

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Date Range:

from

10/16/2024

to

10/16/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of International Business Machines Corp AMEM

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 notable leverage effect: negative returns increase next-day volatility 58% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

Leverage: Negative returns increase volatility 58% more than positive returns
ParamValuet-stat
ωconst0.0553
7.28***
αARCH0.1515
11.18***
βGARCH0.7905
84.09***
γleverage0.0883
3.88***

0.986

Persistence

50d

Half-life
μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0553
7.28***
α

ARCH

Response to squared shocks

0.1515
11.18***
β

GARCH

Volatility persistence

0.7905
84.09***
γ

leverage

Additional response to negative shocks

0.0883
3.88***

Persistence:

0.986

Half-life:

50 days