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V-Lab

SK Hynix Inc MEM Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

75.09%

decreased by 1.88%

1 Week

75.02%

decreased by 1.95%

1 Month

74.73%

decreased by 2.24%

Analysis last updated: Friday, September 11, 2026 at 08:33 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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10Y ·

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graph of SK Hynix Inc MEM

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 145 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

MEM Model

Tap to view equation

High persistence: persistence 0.995, shock half-life ~145 days
ParamValuet-stat
ωconst0.0847
1.25
αARCH0.1344
11.21***
βGARCH0.8609
88.64***

0.995

Persistence

145d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0847
1.25
α

ARCH

Response to squared shocks

0.1344
11.21***
β

GARCH

Volatility persistence

0.8609
88.64***

Persistence:

0.995

Half-life:

145 days