V-Lab
SRT Marine Systems PLC GJR-GARCH Volatility Analysis
Volatility prediction for Friday, August 14th, 2026
1 Day
49.46%
increased by 6.06%
1 Week
51.52%
increased by 8.12%
1 Month
55.44%
increased by 12.04%
Analysis last updated: Friday, August 14, 2026 at 08:41 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 2007 to Aug 7, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 156% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.5732 | 12.90*** |
α ARCH Response to squared shocks | 0.0737 | 9.15*** |
β GARCH Volatility persistence | 0.7543 | 54.90*** |
γ leverage Additional response to negative shocks | 0.1150 | 5.05*** |
Persistence:
0.886
Half-life:
6 days
Other SRT Marine Systems PLC Analyses
Other GJR-GARCH Analyses on International Equities