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V-Lab

Warsaw Stock Exchange WIG Total Return Index EGARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

17.32%

decreased by 0.26%

1 Week

17.73%

increased by 0.15%

1 Month

19.30%

increased by 1.72%

Analysis last updated: Tuesday, July 21, 2026 at 05:51 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Warsaw Stock Exchange WIG Total Return Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 17, 1991 to Jul 17, 2026

Model Insight

This asset exhibits a modest leverage effect: negative returns increase next-day volatility 22% more than equivalent positive returns.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0267
22.05***
α

ARCH

Response to squared shocks

0.1448
13.27***
β

GARCH

Volatility persistence

0.9812
641.29***
γ

leverage

Additional response to negative shocks

-0.0142
-2.18**

Persistence:

0.981

Half-life:

36 days