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V-Lab

Htc Corporation GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

37.08%

increased by 0.41%

1 Week

38.09%

increased by 1.42%

1 Month

41.03%

increased by 4.36%

Analysis last updated: Sunday, August 23, 2026 at 01:51 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Htc Corporation GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 18, 2002 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3820
20.93***
α

ARCH

Response to squared shocks

0.0743
13.36***
β

GARCH

Volatility persistence

0.8744
227.22***
γ

leverage

Additional response to negative shocks

0.0202
1.81*

Persistence:

0.959

Half-life:

16 days