V-Lab
HP Inc MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
52.39%
increased by 5.48%
1 Week
50.88%
increased by 3.97%
1 Month
49.15%
increased by 2.24%
Analysis last updated: Saturday, September 12, 2026 at 12:16 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 11, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 169% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 169% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 61 | |
| αARCH | 0.0435 | 3.22*** |
| βGARCH | 0.7289 | 15.66*** |
| γleverage | 0.0736 | 2.56** |
| λ₁tau intercept | 0.0567 | 1.61 |
| λ₂forecast adj. | 0.0293 | 2.64*** |
| λ₃tau persistence | 0.9609 | 58.28*** |
0.809
Persistence3d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 61 | |
α ARCH Response to squared shocks | 0.0435 | 3.22*** |
β GARCH Volatility persistence | 0.7289 | 15.66*** |
γ leverage Additional response to negative shocks | 0.0736 | 2.56** |
λ₁ tau intercept Baseline long-term coefficient | 0.0567 | 1.61 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0293 | 2.64*** |
λ₃ tau persistence Long-term factor persistence | 0.9609 | 58.28*** |
Persistence:
0.809
Half-life:
3 days
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