V-Lab
Gujarat Energy Ltd MEM Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
31.23%
increased by 0.77%
1 Week
31.37%
increased by 0.91%
1 Month
31.86%
increased by 1.40%
Analysis last updated: Friday, September 11, 2026 at 07:41 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 18, 2015 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 37 trading days, meaning a shock loses half its impact after approximately 37 days.
μ
MEM Model
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Shock decay: Shocks decay with a 37-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0895 | 1.06 |
| αARCH | 0.0812 | 4.19*** |
| βGARCH | 0.9002 | 53.99*** |
0.981
Persistence37d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0895 | 1.06 |
α ARCH Response to squared shocks | 0.0812 | 4.19*** |
β GARCH Volatility persistence | 0.9002 | 53.99*** |
Persistence:
0.981
Half-life:
37 days
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