V-Lab
Korea Cast Iron Pipe Industries Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
19.77%
decreased by 0.32%
1 Week
20.13%
increased by 0.04%
1 Month
21.31%
increased by 1.22%
Analysis last updated: Sunday, August 23, 2026 at 12:09 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1990 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 28 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9617 | 5.79*** |
α ARCH Response to squared shocks | 0.0981 | 8.03*** |
β GARCH Volatility persistence | 0.8777 | 59.20*** |
Spline Coefficients
K=7
| γ1 | 0.0679 | 2.36** |
| γ2 | -0.1435 | -3.17*** |
| γ3 | 0.1128 | 3.62*** |
| γ4 | -0.0470 | -1.27 |
| γ5 | 0.0211 | 0.45 |
| γ6 | -0.0312 | -0.66 |
| γ7 | 0.0346 | 1.04 |
Persistence:
0.976
Half-life:
28 days
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