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V-Lab

REA Group Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

29.50%

decreased by 0.64%

1 Week

29.68%

decreased by 0.46%

1 Month

30.37%

increased by 0.23%

Analysis last updated: Tuesday, August 25, 2026 at 05:53 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of REA Group Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 1, 1999 to Aug 21, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 116 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 54% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0421
13.31***
α

ARCH

Response to squared shocks

0.0377
14.13***
β

GARCH

Volatility persistence

0.9461
601.09***
γ

leverage

Additional response to negative shocks

0.0204
3.79***

Persistence:

0.994

Half-life:

116 days