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V-Lab

Egyptian EGX 30 Price Return Index GJR-GARCH Volatility Analysis

Volatility prediction for Sunday, August 16th, 2026

1 Day

14.93%

decreased by 0.24%

1 Week

15.97%

increased by 0.80%

1 Month

18.89%

increased by 3.72%

Analysis last updated: Friday, August 14, 2026 at 10:22 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Egyptian EGX 30 Price Return Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1998 to Aug 13, 2026

Model Insight

This asset exhibits a modest leverage effect: negative returns increase next-day volatility 43% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0967
12.78***
α

ARCH

Response to squared shocks

0.0974
11.43***
β

GARCH

Volatility persistence

0.8466
128.58***
γ

leverage

Additional response to negative shocks

0.0418
3.61***

Persistence:

0.965

Half-life:

19 days