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Dyaco International Inc GJR-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

26.88%

decreased by 0.57%

1 Week

27.24%

decreased by 0.21%

1 Month

28.47%

increased by 1.02%

Analysis last updated: Friday, September 11, 2026 at 09:10 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Dyaco International Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 24, 2011 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 36 trading days, meaning a shock loses half its impact after approximately 36 days.

σ

GJR-GARCH Model

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Shock decay: Shocks decay with a 36-day half-life
ParamValuet-stat
ωconst0.0934
3.70***
αARCH0.1025
3.42***
βGARCH0.8901
55.41***
γleverage-0.0230
-0.49

0.981

Persistence

36d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0934
3.70***
α

ARCH

Response to squared shocks

0.1025
3.42***
β

GARCH

Volatility persistence

0.8901
55.41***
γ

leverage

Additional response to negative shocks

-0.0230
-0.49

Persistence:

0.981

Half-life:

36 days