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V-Lab

Budapest Stock Exchange Budapest Stock Index MF2-GARCH Volatility Analysis

Volatility prediction for Thursday, October 22nd, 2026

1 Day

16.65%

decreased by 1.42%

1 Week

17.34%

decreased by 0.73%

1 Month

19.06%

increased by 0.99%

Analysis last updated: Thursday, October 22, 2026 at 05:40 PM UTC

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Date Range:

from

10/21/2024

to

10/21/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Budapest Stock Exchange Budapest Stock Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1991 to Oct 16, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 104% more than equivalent positive returns.

σ

MF2-GARCH Model

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Leverage: Negative returns increase volatility 104% more than positive returns
ParamValuet-stat
mwindow31
αARCH0.1149
4.72***
βGARCH0.7273
25.80***
γleverage0.1197
3.52***
λ₁tau intercept0.0124
1.63
λ₂forecast adj.0.0309
3.06***
λ₃tau persistence0.9636
76.12***

0.902

Persistence

7d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

31
α

ARCH

Response to squared shocks

0.1149
4.72***
β

GARCH

Volatility persistence

0.7273
25.80***
γ

leverage

Additional response to negative shocks

0.1197
3.52***
λ₁

tau intercept

Baseline long-term coefficient

0.0124
1.63
λ₂

forecast adj.

Forecast performance sensitivity

0.0309
3.06***
λ₃

tau persistence

Long-term factor persistence

0.9636
76.12***

Persistence:

0.902

Half-life:

7 days