Skip to main content
V-Lab

Xtrackers S&P 100 Ex Top 20 ETF GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

11.14%

decreased by 0.33%

1 Week

11.64%

increased by 0.17%

1 Month

12.41%

increased by 0.94%

Analysis last updated: Tuesday, August 25, 2026 at 02:17 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Xtrackers S&P 100 Ex Top 20 ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 28, 2022 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1030
8.48***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.7467
34.54***
γ

leverage

Additional response to negative shocks

0.1955
4.34***

Persistence:

0.844

Half-life:

4 days