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V-Lab

General Electric Co GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

36.57%

decreased by 0.77%

1 Week

36.60%

decreased by 0.74%

1 Month

36.74%

decreased by 0.60%

Analysis last updated: Friday, August 21, 2026 at 10:43 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of General Electric Co GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Aug 21, 2026

Model Insight

With persistence 0.998, volatility shocks have a half-life of 423 trading days (~1.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 270% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0136
8.38***
α

ARCH

Response to squared shocks

0.0194
11.26***
β

GARCH

Volatility persistence

0.9528
709.42***
γ

leverage

Additional response to negative shocks

0.0524
13.32***

Persistence:

0.998

Half-life:

423 days