V-Lab
Gujarat Energy Ltd GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
28.99%
increased by 0.85%
1 Week
30.35%
increased by 2.21%
1 Month
31.75%
increased by 3.61%
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 15, 2015 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 2-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0385 | 2.39** |
| αARCH | 0.1168 | 3.14*** |
| βGARCH | 0.6332 | 6.50*** |
0.750
Persistence2d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0385 | 2.39** |
α ARCH Response to squared shocks | 0.1168 | 3.14*** |
β GARCH Volatility persistence | 0.6332 | 6.50*** |
Persistence:
0.750
Half-life:
2 days
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