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V-Lab

Sarajevo Stock Exchange Index 30 GAS-GARCH Student T Volatility Analysis

Volatility prediction for Friday, September 4th, 2026

1 Day

32.90%

decreased by 1.74%

1 Week

33.42%

decreased by 1.22%

1 Month

35.36%

increased by 0.72%

Analysis last updated: Friday, September 4, 2026 at 11:28 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sarajevo Stock Exchange Index 30 GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 15, 2010 to Aug 27, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.00 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

16.5756
1.20
α

ARCH

Response to squared shocks

0.0448
19.98***
β

GARCH

Volatility persistence

0.9944
214.49***
ν

DF

Student-t tail thickness

2.0046
3,032.73***

Persistence:

0.994

Half-life:

123 days