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V-Lab

Wawel Sa GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

23.51%

increased by 2.55%

1 Week

25.56%

increased by 4.60%

1 Month

29.97%

increased by 9.01%

Analysis last updated: Sunday, July 26, 2026 at 04:47 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

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 Jul 24, 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

0.3909
25.04***
α

ARCH

Response to squared shocks

0.2048
22.49***
β

GARCH

Volatility persistence

0.7021
97.20***
γ

leverage

Additional response to negative shocks

0.0265
1.81*

Persistence:

0.920

Half-life:

8 days