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V-Lab

Vulcan Infrastructure and Power Inc Asy. Power MEM Volatility Analysis

Volatility prediction for Thursday, August 6th, 2026

1 Day

85.66%

decreased by 10.34%

1 Week

79.81%

decreased by 16.19%

1 Month

66.02%

decreased by 29.98%

Analysis last updated: Wednesday, August 5, 2026 at 09:35 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Vulcan Infrastructure and Power Inc APMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 15, 2021 to Jul 31, 2026

Model Insight

Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days. The volatility power δ = 0.70 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1505
7.97***
α

ARCH

Response to squared shocks

0.2967
35.38***
β

GARCH

Volatility persistence

0.6896
88.09***
γ

leverage

Additional response to negative shocks

-0.0184
-1.54
δ

power

Transformation power

0.6960
8.58***

Persistence:

0.927

Half-life:

9 days