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V-Lab

Ventia Services Group Pty Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

31.81%

increased by 0.50%

1 Week

33.24%

increased by 1.93%

1 Month

33.57%

increased by 2.26%

Analysis last updated: Tuesday, July 14, 2026 at 07:53 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Ventia Services Group Pty Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 23, 2021 to Jul 9, 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.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1007
5.47***
α

ARCH

Response to squared shocks

0.1374
1.45
β

GARCH

Volatility persistence

0.0000
0.00
γi Spline Coefficients
K=6
γ11.1435
0.63
γ2-3.3885
-1.27
γ36.2793
3.10***
γ4-8.2997
-3.39***
γ57.0796
3.06***
γ6-3.7090
-2.39**

Persistence:

0.137

Half-life:

0 days