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V-Lab

I-Hwa Industrial Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

34.01%

increased by 4.36%

1 Week

34.54%

increased by 4.89%

1 Month

36.43%

increased by 6.78%

Analysis last updated: Sunday, August 23, 2026 at 02:06 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of I-Hwa Industrial Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 18, 1995 to Aug 21, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 45% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1214
16.68***
α

ARCH

Response to squared shocks

0.0981
19.60***
β

GARCH

Volatility persistence

0.9064
318.16***
γ

leverage

Additional response to negative shocks

-0.0305
-4.34***

Persistence:

0.989

Half-life:

64 days