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V-Lab

SK Hynix Inc Asy. MEM Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

74.44%

decreased by 1.58%

1 Week

74.36%

decreased by 1.66%

1 Month

74.08%

decreased by 1.94%

Analysis last updated: Friday, September 11, 2026 at 08:34 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of SK Hynix Inc AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1997 to Sep 4, 2026

Model Insight

With persistence 0.995, volatility shocks have a half-life of 141 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

AMEM Model

Tap to view equation

High persistence: persistence 0.995, shock half-life ~141 days
ParamValuet-stat
ωconst0.0861
4.77***
αARCH0.1270
9.77***
βGARCH0.8607
89.33***
γleverage0.0150
0.77

0.995

Persistence

141d

Half-life
μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0861
4.77***
α

ARCH

Response to squared shocks

0.1270
9.77***
β

GARCH

Volatility persistence

0.8607
89.33***
γ

leverage

Additional response to negative shocks

0.0150
0.77

Persistence:

0.995

Half-life:

141 days