V-Lab
Harish Textile Engineers Ltd Asy. Power MEM Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
51.18%
decreased by 2.55%
1 Week
52.08%
decreased by 1.65%
1 Month
54.88%
increased by 1.15%
Analysis last updated: Friday, September 11, 2026 at 07:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 12, 2019 to Sep 4, 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
APMEM Model
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Shock decay: Shocks decay with a 21-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.5967 | 2.09** |
| αARCH | 0.1277 | 6.32*** |
| βGARCH | 0.8348 | 32.52*** |
| γleverage | 0.0638 | 1.13 |
| δpower | 2.0890 | 5.61*** |
0.967
Persistence21d
Half-lifeμ
APMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5967 | 2.09** |
α ARCH Response to squared shocks | 0.1277 | 6.32*** |
β GARCH Volatility persistence | 0.8348 | 32.52*** |
γ leverage Additional response to negative shocks | 0.0638 | 1.13 |
δ power Transformation power | 2.0890 | 5.61*** |
Persistence:
0.967
Half-life:
21 days
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