V-Lab
Nissha Co Ltd Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
36.12%
decreased by 1.74%
1 Week
41.16%
increased by 3.30%
1 Month
42.63%
increased by 4.77%
Analysis last updated: Saturday, August 8, 2026 at 07:54 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 18, 2021 to Aug 7, 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
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1816 | 5.81*** |
α ARCH Response to squared shocks | 0.3206 | 3.34*** |
β GARCH Volatility persistence | 0.0000 | 0.00 |
Spline Coefficients
K=1
| γ1 | 0.0583 | 1.29 |
Persistence:
0.321
Half-life:
1 days
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