V-Lab
SRT Marine Systems PLC GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
44.38%
decreased by 1.28%
1 Week
47.70%
increased by 2.04%
1 Month
53.79%
increased by 8.13%
Analysis last updated: Wednesday, August 5, 2026 at 08:29 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 2007 to Jul 31, 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 | 1.5766 | 12.90*** |
α ARCH Response to squared shocks | 0.0736 | 9.13*** |
β GARCH Volatility persistence | 0.7544 | 54.83*** |
γ leverage Additional response to negative shocks | 0.1149 | 5.05*** |
Persistence:
0.885
Half-life:
6 days
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