V-Lab
Havila Kystruten As GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, July 23rd, 2026
1 Day
41.59%
decreased by 1.95%
1 Week
44.88%
increased by 1.34%
1 Month
53.71%
increased by 10.17%
Analysis last updated: Thursday, July 23, 2026 at 07:59 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 3, 2021 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8756 | 5.78*** |
α ARCH Response to squared shocks | 0.1270 | 6.56*** |
β GARCH Volatility persistence | 0.7961 | 60.41*** |
γ leverage Additional response to negative shocks | 0.0702 | 1.67* |
Persistence:
0.958
Half-life:
16 days
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