V-Lab
Gujarat Energy Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
32.20%
decreased by 1.90%
1 Week
32.40%
decreased by 1.70%
1 Month
32.89%
decreased by 1.21%
Analysis last updated: Wednesday, August 26, 2026 at 08:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 15, 2015 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days. Returns follow a Student-t distribution with v = 4.08 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.4668 | 6.37*** |
α ARCH Response to squared shocks | 0.1113 | 11.60*** |
β GARCH Volatility persistence | 0.9211 | 72.88*** |
ν DF Student-t tail thickness | 4.0783 | 5.15*** |
Persistence:
0.921
Half-life:
8 days
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