V-Lab
Vulcan Infrastructure and Power Inc AGARCH Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
102.07%
decreased by 4.20%
1 Week
110.83%
increased by 4.56%
1 Month
119.58%
increased by 13.31%
Analysis last updated: Wednesday, August 5, 2026 at 09:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 15, 2021 to Jul 31, 2026Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 15.0000 | 18.97*** |
α ARCH Response to squared shocks | 0.1635 | 17.26*** |
β GARCH Volatility persistence | 0.5870 | 55.37*** |
γ leverage Additional response to negative shocks | -0.6111 | -1.02 |
Persistence:
0.750
Half-life:
2 days
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