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V-Lab
V-Lab

Smart Powerr Corp AGARCH Volatility Analysis

Volatility prediction for Monday, September 7th, 2026

1 Day

154.37%

decreased by 12.41%

1 Week

155.21%

decreased by 11.57%

1 Month

158.10%

decreased by 8.68%

Analysis last updated: Saturday, September 5, 2026 at 09:26 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Smart Powerr Corp AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 4, 2001 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 30 trading days, meaning a shock loses half its impact after approximately 30 days.

σ

AGARCH Model

Tap to view equation

Shock decay: Shocks decay with a 30-day half-life
ParamValuet-stat
ωconst2.6981
4.14***
αARCH0.1448
9.29***
βGARCH0.8322
53.22***
γleverage-0.1603
-0.09

0.977

Persistence

30d

Half-life
σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.6981
4.14***
α

ARCH

Response to squared shocks

0.1448
9.29***
β

GARCH

Volatility persistence

0.8322
53.22***
γ

leverage

Additional response to negative shocks

-0.1603
-0.09

Persistence:

0.977

Half-life:

30 days