International Business Machines Corp MF2-GARCH Volatility Analysis
Volatility prediction for Monday, November 9th, 2026
1 Day
37.88%
decreased by 1.16%
1 Week
38.44%
decreased by 0.60%
1 Month
39.03%
decreased by 0.01%
Analysis last updated: Saturday, November 7, 2026 at 12:27 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Nov 6, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 322% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 322% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 66 | |
| αARCH | 0.0334 | 3.14*** |
| βGARCH | 0.7973 | 30.24*** |
| γleverage | 0.1074 | 4.85*** |
| λ₁tau intercept | 0.0212 | 1.59 |
| λ₂forecast adj. | 0.0383 | 2.33** |
| λ₃tau persistence | 0.9552 | 50.13*** |
0.884
Persistence6d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 66 | |
α ARCH Response to squared shocks | 0.0334 | 3.14*** |
β GARCH Volatility persistence | 0.7973 | 30.24*** |
γ leverage Additional response to negative shocks | 0.1074 | 4.85*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0212 | 1.59 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0383 | 2.33** |
λ₃ tau persistence Long-term factor persistence | 0.9552 | 50.13*** |
Persistence:
0.884
Half-life:
6 days
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