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V-Lab

General Electric Co Asy. MEM Volatility Analysis

Volatility prediction for Wednesday, September 23rd, 2026

1 Day

29.22%

decreased by 0.51%

1 Week

29.35%

decreased by 0.38%

1 Month

29.84%

increased by 0.11%

Analysis last updated: Tuesday, September 22, 2026 at 09:44 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of General Electric Co AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026

Model Insight

With persistence 0.995, volatility shocks have a half-life of 140 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 54% more than positive returns

μ

AMEM Model

Tap to view equation

High persistence: persistence 0.995, shock half-life ~140 daysLeverage: Negative returns increase volatility 54% more than positive returns
ParamValuet-stat
ωconst0.0317
6.74***
αARCH0.1313
10.83***
βGARCH0.8286
93.24***
γleverage0.0703
3.36***

0.995

Persistence

140d

Half-life
μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0317
6.74***
α

ARCH

Response to squared shocks

0.1313
10.83***
β

GARCH

Volatility persistence

0.8286
93.24***
γ

leverage

Additional response to negative shocks

0.0703
3.36***

Persistence:

0.995

Half-life:

140 days