V-Lab
Adani Green Energy Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
36.18%
increased by 1.64%
1 Week
39.62%
increased by 5.08%
1 Month
41.51%
increased by 6.97%
Analysis last updated: Wednesday, August 26, 2026 at 08:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 18, 2018 to Aug 21, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 1 trading day.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.6567 | 1.87* |
α ARCH Response to squared shocks | 0.2682 | 4.00*** |
β GARCH Volatility persistence | 0.3061 | 3.04*** |
Spline Coefficients
K=7
| γ1 | 0.5771 | 0.76 |
| γ2 | -1.1647 | -1.28 |
| γ3 | 1.5562 | 3.25*** |
| γ4 | -1.8309 | -3.39*** |
| γ5 | 1.3714 | 2.20** |
| γ6 | -0.8004 | -1.06 |
| γ7 | 0.4271 | 0.74 |
Persistence:
0.574
Half-life:
1 days
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