International Business Machines Corp MF2-GARCH Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
41.13%
decreased by 0.68%
1 Week
42.47%
increased by 0.66%
1 Month
43.51%
increased by 1.70%
Analysis last updated: Friday, October 16, 2026 at 11:22 PM 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 Oct 16, 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 | 0.0335 | 3.13*** |
| βGARCH | 0.7964 | 30.27*** |
| γleverage | 0.1079 | 4.84*** |
| λ₁tau intercept | 0.0198 | 1.57 |
| λ₂forecast adj. | 0.0371 | 2.36** |
| λ₃tau persistence | 0.9570 | 52.86*** |
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 | 0.0335 | 3.13*** |
β GARCH Volatility persistence | 0.7964 | 30.27*** |
γ leverage Additional response to negative shocks | 0.1079 | 4.84*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0198 | 1.57 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0371 | 2.36** |
λ₃ tau persistence Long-term factor persistence | 0.9570 | 52.86*** |
Persistence:
0.884
Half-life:
6 days
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