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V-Lab

Taisei Corp GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

40.99%

decreased by 1.13%

1 Week

41.00%

decreased by 1.12%

1 Month

41.03%

decreased by 1.09%

Analysis last updated: Saturday, August 22, 2026 at 10:51 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 Aug 21, 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1577
17.76***
α

ARCH

Response to squared shocks

0.0653
21.90***
β

GARCH

Volatility persistence

0.8723
264.67***
γ

leverage

Additional response to negative shocks

0.0778
10.99***

Persistence:

0.977

Half-life:

29 days