Skip to main content
V-Lab
V-Lab

Samsung Electronics Co Ltd EGARCH Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

77.70%

increased by 0.38%

1 Week

77.33%

increased by 0.01%

1 Month

75.94%

decreased by 1.38%

Analysis last updated: Tuesday, September 8, 2026 at 09:17 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Samsung Electronics Co Ltd EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Sep 4, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 110 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 44% more than positive returns

σ

EGARCH Model

Tap to view equation

High persistence: persistence 0.994, shock half-life ~110 daysLeverage: Negative returns increase volatility 44% more than positive returns
ParamValuet-stat
ωconst0.0152
3.57***
αARCH0.1091
9.69***
βGARCH0.9937
530.82***
γleverage-0.0195
-2.05**

0.994

Persistence

110d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0152
3.57***
α

ARCH

Response to squared shocks

0.1091
9.69***
β

GARCH

Volatility persistence

0.9937
530.82***
γ

leverage

Additional response to negative shocks

-0.0195
-2.05**

Persistence:

0.994

Half-life:

110 days