V-Lab
Kyoritsu Maintenance Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
36.34%
increased by 3.06%
1 Week
33.20%
decreased by 0.08%
1 Month
31.55%
decreased by 1.73%
Analysis last updated: Saturday, August 22, 2026 at 08:02 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 20, 2021 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 | 1.0079 | 13.27*** |
α ARCH Response to squared shocks | 0.1688 | 2.98*** |
β GARCH Volatility persistence | 0.3395 | 2.61*** |
Spline Coefficients
K=1
| γ1 | 0.0012 | 0.20 |
Persistence:
0.508
Half-life:
1 days
Other Kyoritsu Maintenance Co Ltd Analyses
Other Zero Slope Spline-GARCH Analyses on International Equities