V-Lab
Vulcan Infrastructure and Power Inc GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, October 6th, 2026
1 Day
95.87%
decreased by 0.90%
1 Week
100.17%
increased by 3.40%
1 Month
109.59%
increased by 12.82%
Analysis last updated: Monday, October 5, 2026 at 09:38 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 15, 2021 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GJR-GARCH Model
Tap to view equation
Shock decay: Shocks decay with a 8-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 2.02** |
| αARCH | 0.0730 | 1.62 |
| βGARCH | 0.8470 | 14.87*** |
| γleverage | -0.0139 | -0.15 |
0.913
Persistence8d
Half-lifeσ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 2.02** |
α ARCH Response to squared shocks | 0.0730 | 1.62 |
β GARCH Volatility persistence | 0.8470 | 14.87*** |
γ leverage Additional response to negative shocks | -0.0139 | -0.15 |
Persistence:
0.913
Half-life:
8 days
Other Vulcan Infrastructure and Power Inc Analyses
Other GJR-GARCH Analyses on Equities