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V-Lab
V-Lab

REA Group Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

33.66%

unchanged at 0.00%

1 Week

33.77%

increased by 0.11%

1 Month

34.20%

increased by 0.54%

Analysis last updated: Wednesday, September 16, 2026 at 03:08 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 Sep 14, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 117 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 0.994, shock half-life ~117 days
ParamValuet-stat
ωconst0.0418
3.32***
αARCH0.0376
3.54***
βGARCH0.9464
150.98***
γleverage0.0203
0.95

0.994

Persistence

117d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0418
3.32***
α

ARCH

Response to squared shocks

0.0376
3.54***
β

GARCH

Volatility persistence

0.9464
150.98***
γ

leverage

Additional response to negative shocks

0.0203
0.95

Persistence:

0.994

Half-life:

117 days