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V-Lab

Budapest Stock Exchange Budapest Stock Index EGARCH Volatility Analysis

Volatility prediction for Monday, July 20th, 2026

1 Day

20.59%

decreased by 0.11%

1 Week

20.93%

increased by 0.23%

1 Month

22.01%

increased by 1.31%

Analysis last updated: Saturday, July 18, 2026 at 08:32 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Budapest Stock Exchange Budapest Stock Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1991 to Jul 17, 2026

Model Insight

This asset exhibits a modest leverage effect: negative returns increase next-day volatility 41% more than equivalent positive returns.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0412
16.17***
α

ARCH

Response to squared shocks

0.2633
25.27***
β

GARCH

Volatility persistence

0.9539
377.50***
γ

leverage

Additional response to negative shocks

-0.0452
-7.73***

Persistence:

0.954

Half-life:

15 days