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

Volatility prediction for Wednesday, October 14th, 2026

1 Day

16.04%

decreased by 0.71%

1 Week

16.42%

decreased by 0.33%

1 Month

17.35%

increased by 0.60%

Analysis last updated: Wednesday, October 14, 2026 at 06:12 PM UTC

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Date Range:

from

10/13/2024

to

10/13/2026

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 Oct 9, 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
αARCH0.0571
4.68***
βGARCH0.8051
37.38***
γleverage0.0857
4.75***
λ₁tau intercept0.0093
2.51**
λ₂forecast adj.0.0378
4.38***
λ₃tau persistence0.9576
99.22***

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

0.0571
4.68***
β

GARCH

Volatility persistence

0.8051
37.38***
γ

leverage

Additional response to negative shocks

0.0857
4.75***
λ₁

tau intercept

Baseline long-term coefficient

0.0093
2.51**
λ₂

forecast adj.

Forecast performance sensitivity

0.0378
4.38***
λ₃

tau persistence

Long-term factor persistence

0.9576
99.22***

Persistence:

0.905

Half-life:

7 days