V-Lab
Htc Corporation Asy. MEM Volatility Analysis
Volatility prediction for Friday, August 14th, 2026
1 Day
36.02%
decreased by 0.22%
1 Week
37.01%
increased by 0.77%
1 Month
40.04%
increased by 3.80%
Analysis last updated: Friday, August 14, 2026 at 08:30 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 18, 2002 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3131 | 24.72*** |
α ARCH Response to squared shocks | 0.1421 | 31.23*** |
β GARCH Volatility persistence | 0.8225 | 245.36*** |
γ leverage Additional response to negative shocks | 0.0066 | 0.82 |
Persistence:
0.968
Half-life:
21 days
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