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V-Lab

BEVEST ASA GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

67.20%

decreased by 0.58%

1 Week

67.35%

decreased by 0.43%

1 Month

67.92%

increased by 0.14%

Analysis last updated: Sunday, July 26, 2026 at 04:49 AM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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graph of BEVEST ASA GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 21, 2020 to Jul 24, 2026

Model Insight

With persistence 0.995, volatility shocks have a half-life of 151 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1215
3.44***
α

ARCH

Response to squared shocks

0.0230
1.85*
β

GARCH

Volatility persistence

0.9756
190.21***
γ

leverage

Additional response to negative shocks

-0.0064
-0.39

Persistence:

0.995

Half-life:

151 days