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V-Lab
V-Lab

Taisei Corp GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

33.02%

increased by 0.02%

1 Week

33.43%

increased by 0.43%

1 Month

34.82%

increased by 1.82%

Analysis last updated: Wednesday, September 9, 2026 at 07:23 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Taisei Corp GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Sep 4, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 119% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 119% more than positive returns
ParamValuet-stat
ωconst0.1579
4.44***
αARCH0.0653
5.48***
βGARCH0.8723
66.13***
γleverage0.0777
2.74***

0.976

Persistence

29d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1579
4.44***
α

ARCH

Response to squared shocks

0.0653
5.48***
β

GARCH

Volatility persistence

0.8723
66.13***
γ

leverage

Additional response to negative shocks

0.0777
2.74***

Persistence:

0.976

Half-life:

29 days