SRT Marine Systems PLC GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
42.15%
decreased by 0.59%
1 Week
46.10%
increased by 3.36%
1 Month
53.16%
increased by 10.42%
Analysis last updated: Tuesday, July 14, 2026 at 08:26 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 2007 to Jul 10, 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 | 1.5888 | 12.88*** |
α ARCH Response to squared shocks | 0.0738 | 9.11*** |
β GARCH Volatility persistence | 0.7533 | 54.41*** |
γ leverage Additional response to negative shocks | 0.1154 | 5.05*** |
Persistence:
0.885
Half-life:
6 days
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