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V-Lab

SK Hynix Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

141.53%

decreased by 3.46%

1 Week

140.94%

decreased by 4.05%

1 Month

138.61%

decreased by 6.38%

Analysis last updated: Wednesday, August 5, 2026 at 07:52 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of SK Hynix Inc S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 26, 1996 to Jul 31, 2026

Model Insight

With persistence 0.995, volatility shocks have a half-life of 146 trading days (~0.6 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2055
6.42***
α

ARCH

Response to squared shocks

0.0431
8.85***
β

GARCH

Volatility persistence

0.9521
178.73***
γi Spline Coefficients
K=1
γ10.0008
2.03**

Persistence:

0.995

Half-life:

146 days