V-Lab
Powerhouse Energy Group PLC GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
326.46%
decreased by 31.74%
1 Week
399.04%
increased by 40.84%
1 Month
524.52%
increased by 166.32%
Analysis last updated: Sunday, July 26, 2026 at 06:32 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 16, 2007 to Jul 24, 2026Extended Optimization
Model Insight
The estimated Student-t degrees of freedom v = 2.02 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 | 1,593.9220 | 5.25*** |
α ARCH Response to squared shocks | 0.1524 | 28.68*** |
β GARCH Volatility persistence | 0.9016 | 45.11*** |
ν DF Student-t tail thickness | 2.0163 | 894.93*** |
Persistence:
0.902
Half-life:
7 days
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