SK Hynix Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
115.52%
increased by 11.25%
1 Week
115.03%
increased by 10.76%
1 Month
113.09%
increased by 8.82%
Analysis last updated: Tuesday, July 14, 2026 at 07:41 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 26, 1996 to Jul 10, 2026Model Insight
With persistence 0.995, volatility shocks have a half-life of 134 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2113 | 6.66*** |
α ARCH Response to squared shocks | 0.0425 | 8.79*** |
β GARCH Volatility persistence | 0.9524 | 178.05*** |
Spline Coefficients
K=1
| γ1 | 0.0009 | 2.27** |
Persistence:
0.995
Half-life:
134 days
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