V-Lab
Keerthi Industries Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
67.52%
decreased by 2.56%
1 Week
69.88%
decreased by 0.20%
1 Month
72.99%
increased by 2.91%
Analysis last updated: Tuesday, August 25, 2026 at 06:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 4, 2011 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 3 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0609 | 9.92*** |
α ARCH Response to squared shocks | 0.1430 | 8.14*** |
β GARCH Volatility persistence | 0.6635 | 14.58*** |
Spline Coefficients
K=6
| γ1 | 0.1228 | 2.29** |
| γ2 | -0.2247 | -2.97*** |
| γ3 | 0.2168 | 4.79*** |
| γ4 | -0.2494 | -6.11*** |
| γ5 | 0.2956 | 7.37*** |
| γ6 | -0.2492 | -7.62*** |
Persistence:
0.807
Half-life:
3 days
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