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V-Lab

Nissha Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

32.86%

decreased by 8.48%

1 Week

37.11%

decreased by 4.23%

1 Month

38.32%

decreased by 3.02%

Analysis last updated: Saturday, August 22, 2026 at 08:04 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Nissha Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 18, 2021 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.1179
30.95***
α

ARCH

Response to squared shocks

0.3035
5.30***
β

GARCH

Volatility persistence

0.0000
0.00
γ

leverage

Additional response to negative shocks

0.0068
0.08

Persistence:

0.307

Half-life:

1 days