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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 18, 2002 to Aug 21, 2026Model 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
| Parameter | Value | t-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
Other Htc Corporation Analyses
Other GJR-GARCH Analyses on International Equities