V-Lab
QVC Group Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, June 24th, 2026
1 Day
4,463.70%
increased by 564.61%
1 Week
4,446.91%
increased by 547.82%
1 Month
4,380.83%
increased by 481.74%
Analysis last updated: Wednesday, June 24, 2026 at 03:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 10, 2006 to May 15, 2026Model Insight
The estimated Student-t degrees of freedom v = 2.01 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1,061.5430 | 7.46*** |
α ARCH Response to squared shocks | 0.0641 | 90.79*** |
β GARCH Volatility persistence | 0.9962 | 2,020.65*** |
ν DF Student-t tail thickness | 2.0120 |
Persistence:
0.996
Half-life:
181 days
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