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V-Lab

Amrest Holdings Se Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

28.07%

decreased by 1.47%

1 Week

28.63%

decreased by 0.91%

1 Month

29.72%

increased by 0.18%

Analysis last updated: Sunday, August 23, 2026 at 12:10 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Amrest Holdings Se S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 27, 2005 to Aug 21, 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 6 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.5691
6.82***
α

ARCH

Response to squared shocks

0.1170
5.42***
β

GARCH

Volatility persistence

0.7659
15.94***
γi Spline Coefficients
K=6
γ1-0.1925
-4.93***
γ20.2435
4.23***
γ3-0.0554
-1.38
γ40.0402
1.05
γ5-0.0970
-2.88***
γ60.0895
3.90***

Persistence:

0.883

Half-life:

6 days