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V-Lab

Matsuda Sangyo Co Ltd AGARCH Volatility Analysis

Volatility prediction for Monday, October 19th, 2026

1 Day

48.43%

decreased by 2.30%

1 Week

48.54%

decreased by 2.19%

1 Month

48.99%

decreased by 1.74%

Analysis last updated: Saturday, October 17, 2026 at 11:47 PM UTC

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Date Range:

from

10/16/2024

to

10/16/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Matsuda Sangyo Co Ltd AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 28, 1995 to Oct 16, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 109 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

AGARCH Model

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High persistence: persistence 0.994, shock half-life ~109 days
ParamValuet-stat
ωconst0.0719
3.90***
αARCH0.0961
10.04***
βGARCH0.8975
102.89***
γleverage0.3212
1.45

0.994

Persistence

109d

Half-life
σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0719
3.90***
α

ARCH

Response to squared shocks

0.0961
10.04***
β

GARCH

Volatility persistence

0.8975
102.89***
γ

leverage

Additional response to negative shocks

0.3212
1.45

Persistence:

0.994

Half-life:

109 days