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V-Lab

QVC Group Inc GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

287.10%

decreased by 3.88%

1 Week

286.97%

decreased by 4.01%

1 Month

286.45%

decreased by 4.53%

Analysis last updated: Saturday, July 25, 2026 at 09:26 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of QVC Group Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 5, 2006 to Jul 24, 2026

Model Insight

With persistence 0.999, volatility shocks have a half-life of 1298 trading days (~5.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: volatility responds almost entirely to negative shocks

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0261
5.08***
α

ARCH

Response to squared shocks

0.0081
3.05***
β

GARCH

Volatility persistence

0.9726
584.13***
γ

leverage

Additional response to negative shocks

0.0375
9.25***

Persistence:

0.999

Half-life:

1298 days