V-Lab
QVC Group Inc MF2-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
262.18%
decreased by 83.56%
1 Week
255.35%
decreased by 90.39%
1 Month
249.78%
decreased by 95.96%
Analysis last updated: Saturday, July 25, 2026 at 09:27 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 5, 2006 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 66 | |
α ARCH Response to squared shocks | 0.2723 | 14.12*** |
β GARCH Volatility persistence | 0.4512 | 21.33*** |
γ leverage Additional response to negative shocks | 0.0303 | 1.06 |
λ₁ tau intercept Baseline long-term coefficient | 0.1410 | 1.60 |
λ₂ forecast adj. Forecast performance sensitivity | 0.1388 | 1.54 |
λ₃ tau persistence Long-term factor persistence | 0.8612 | 9.03*** |
Persistence:
0.739
Half-life:
2 days
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