V-Lab
SRT Marine Systems PLC GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
383.09%
decreased by 75.95%
1 Week
407.32%
decreased by 51.72%
1 Month
453.42%
decreased by 5.62%
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
The estimated Student-t degrees of freedom v = 2.01 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 969.2613 | 3.88*** |
α ARCH Response to squared shocks | 0.1286 | 17.16*** |
β GARCH Volatility persistence | 0.8904 | 28.04*** |
ν DF Student-t tail thickness | 2.0053 | 1,536.65*** |
Persistence:
0.890
Half-life:
6 days
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