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V-Lab

Hua Hong Grace Semiconductor Ltd EGARCH Volatility Analysis

Volatility prediction for Monday, August 17th, 2026

1 Day

83.65%

increased by 3.07%

1 Week

82.16%

increased by 1.58%

1 Month

78.10%

decreased by 2.48%

Analysis last updated: Saturday, August 15, 2026 at 07:05 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Hua Hong Grace Semiconductor Ltd EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 7, 2023 to Aug 14, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 95% 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

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1554
7.66***
α

ARCH

Response to squared shocks

0.2242
8.62***
β

GARCH

Volatility persistence

0.9475
144.79***
γ

leverage

Additional response to negative shocks

0.0720
3.37***

Persistence:

0.948

Half-life:

13 days