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V-Lab

Saudi Industrial Export Co MEM Volatility Analysis

Volatility prediction for Sunday, July 26th, 2026

1 Day

33.55%

decreased by 2.00%

1 Week

34.66%

decreased by 0.89%

1 Month

38.54%

increased by 2.99%

Analysis last updated: Friday, July 24, 2026 at 08:13 PM UTC

Date Range:

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graph of Saudi Industrial Export Co MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 14, 2005 to Jul 23, 2026

Model Insight

With persistence 0.991, volatility shocks have a half-life of 74 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

0.1929
6.84***
α

ARCH

Response to squared shocks

0.1792
36.55***
β

GARCH

Volatility persistence

0.8115
113.81***

Persistence:

0.991

Half-life:

74 days