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Sarajevo Stock Exchange Index 30 Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

4.98%

decreased by 0.12%

1 Week

5.06%

decreased by 0.04%

1 Month

5.23%

increased by 0.13%

Analysis last updated: Friday, October 16, 2026 at 11:49 PM UTC

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Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sarajevo Stock Exchange Index 30 S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 15, 2010 to Oct 8, 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 5 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
ωconst1.4421
11.59***
αARCH0.0586
3.83***
βGARCH0.8227
13.71***
∑γi Spline Coefficients
K=3
γ10.0637
5.82***
γ2-0.0908
-5.23***
γ30.0352
3.24***

0.881

Persistence

5d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4421
11.59***
α

ARCH

Response to squared shocks

0.0586
3.83***
β

GARCH

Volatility persistence

0.8227
13.71***
∑γi Spline Coefficients
K=3
γ10.0637
5.82***
γ2-0.0908
-5.23***
γ30.0352
3.24***

Persistence:

0.881

Half-life:

5 days