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V-Lab

Warsaw Stock Exchange WIG Total Return Index MF2-GARCH Volatility Analysis

Volatility prediction for Thursday, September 24th, 2026

1 Day

15.64%

increased by 0.04%

1 Week

15.98%

increased by 0.38%

1 Month

17.09%

increased by 1.49%

Analysis last updated: Thursday, September 24, 2026 at 05:50 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Warsaw Stock Exchange WIG Total Return Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 17, 1991 to Sep 18, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 150% more than equivalent positive returns.

σ

MF2-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 150% more than positive returns
ParamValuet-stat
mwindow21
αARCH0.0572
4.68***
βGARCH0.8049
37.31***
γleverage0.0856
4.74***
λ₁tau intercept0.0093
2.51**
λ₂forecast adj.0.0380
4.38***
λ₃tau persistence0.9575
98.74***

0.905

Persistence

7d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.0572
4.68***
β

GARCH

Volatility persistence

0.8049
37.31***
γ

leverage

Additional response to negative shocks

0.0856
4.74***
λ₁

tau intercept

Baseline long-term coefficient

0.0093
2.51**
λ₂

forecast adj.

Forecast performance sensitivity

0.0380
4.38***
λ₃

tau persistence

Long-term factor persistence

0.9575
98.74***

Persistence:

0.905

Half-life:

7 days