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V-Lab

Wawel Sa GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 11th, 2026

1 Day

19.51%

decreased by 0.55%

1 Week

22.48%

increased by 2.42%

1 Month

28.48%

increased by 8.42%

Analysis last updated: Tuesday, August 11, 2026 at 09:08 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Wawel Sa GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 30, 1998 to Aug 7, 2026

Model Insight

Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3865
25.00***
α

ARCH

Response to squared shocks

0.2046
22.53***
β

GARCH

Volatility persistence

0.7034
97.95***
γ

leverage

Additional response to negative shocks

0.0265
1.81*

Persistence:

0.921

Half-life:

8 days