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V-Lab

Samsung Electronics Co Ltd MEM Volatility Analysis

Volatility prediction for Friday, September 4th, 2026

1 Day

72.16%

decreased by 0.45%

1 Week

71.70%

decreased by 0.91%

1 Month

69.95%

decreased by 2.66%

Analysis last updated: Friday, September 4, 2026 at 07:59 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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10Y ·

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graph of Samsung Electronics Co Ltd MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Aug 28, 2026

Model Insight

With persistence 0.991, volatility shocks have a half-life of 77 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0542
1.99**
α

ARCH

Response to squared shocks

0.1288
12.46***
β

GARCH

Volatility persistence

0.8622
105.72***

Persistence:

0.991

Half-life:

77 days