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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 21, 2020 to Jul 24, 2026Model 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
| Parameter | Value | t-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
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