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V-Lab

REA Group Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

30.12%

decreased by 2.03%

1 Week

30.27%

decreased by 1.88%

1 Month

30.49%

decreased by 1.66%

Analysis last updated: Wednesday, October 7, 2026 at 06:10 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of REA Group Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 1, 1999 to Oct 2, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 4 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.6594
8.28***
αARCH0.1186
7.04***
βGARCH0.7042
18.46***
∑γi Spline Coefficients
K=9
γ1-0.3161
-4.89***
γ20.4870
4.54***
γ3-0.2479
-3.04***
γ40.1903
3.08***
γ5-0.2277
-4.33***
γ60.2172
4.24***
γ7-0.1363
-2.65***
γ80.0241
0.44
γ90.0135
0.29

0.823

Persistence

4d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.6594
8.28***
α

ARCH

Response to squared shocks

0.1186
7.04***
β

GARCH

Volatility persistence

0.7042
18.46***
∑γi Spline Coefficients
K=9
γ1-0.3161
-4.89***
γ20.4870
4.54***
γ3-0.2479
-3.04***
γ40.1903
3.08***
γ5-0.2277
-4.33***
γ60.2172
4.24***
γ7-0.1363
-2.65***
γ80.0241
0.44
γ90.0135
0.29

Persistence:

0.823

Half-life:

4 days