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V-Lab

Vulcan Infrastructure and Power Inc GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

106.30%

decreased by 1.94%

1 Week

108.77%

increased by 0.53%

1 Month

114.40%

increased by 6.16%

Analysis last updated: Tuesday, August 25, 2026 at 09:34 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

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 Aug 21, 2026

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

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
7.57***
α

ARCH

Response to squared shocks

0.0650
5.93***
β

GARCH

Volatility persistence

0.8566
58.42***
γ

leverage

Additional response to negative shocks

-0.0149
-0.63

Persistence:

0.914

Half-life:

8 days