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Vulcan Infrastructure and Power Inc GJR-GARCH Volatility Analysis

Volatility prediction for Monday, October 19th, 2026

1 Day

97.04%

decreased by 1.05%

1 Week

101.09%

increased by 3.00%

1 Month

110.00%

increased by 11.91%

Analysis last updated: Friday, October 16, 2026 at 10:43 PM UTC

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Date Range:

from

10/16/2024

to

10/16/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Vulcan Infrastructure and Power Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 15, 2021 to Oct 16, 2026
Boundary Parameters

Model 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
ParamValuet-stat
ωconst5.0000
2.10**
αARCH0.0758
1.71*
βGARCH0.8439
15.01***
γleverage-0.0140
-0.15

0.913

Persistence

8d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
2.10**
α

ARCH

Response to squared shocks

0.0758
1.71*
β

GARCH

Volatility persistence

0.8439
15.01***
γ

leverage

Additional response to negative shocks

-0.0140
-0.15

Persistence:

0.913

Half-life:

8 days