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V-Lab
V-Lab

Inmocemento S A Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

23.66%

increased by 0.88%

1 Week

25.81%

increased by 3.03%

1 Month

27.07%

increased by 4.29%

Analysis last updated: Sunday, September 20, 2026 at 02:27 AM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of Inmocemento S A S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 12, 2024 to Sep 18, 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 1 trading day.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.1803
5.63***
αARCH0.2412
2.72***
βGARCH0.3544
2.31**
γi Spline Coefficients
K=1
γ10.1244
1.20

0.596

Persistence

1d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1803
5.63***
α

ARCH

Response to squared shocks

0.2412
2.72***
β

GARCH

Volatility persistence

0.3544
2.31**
γi Spline Coefficients
K=1
γ10.1244
1.20

Persistence:

0.596

Half-life:

1 days