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V-Lab

QVC Group Inc GJR-GARCH Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Wednesday, June 24th, 2026

1 Day

2,449.76%

increased by 845.29%

1 Week

2,449.88%

increased by 845.41%

1 Month

2,450.36%

increased by 845.89%

Analysis last updated: Wednesday, June 24, 2026 at 03:03 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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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 10, 2006 to May 15, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1842
5.96***
α

ARCH

Response to squared shocks

0.1305
6.36***
β

GARCH

Volatility persistence

0.7747
26.64***
γ

leverage

Additional response to negative shocks

0.1897
1.24

Persistence:

1.000

Half-life:

-