Bristol-Myers Squibb Co MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, October 20th, 2026
1 Day
30.57%
decreased by 0.42%
1 Week
30.18%
decreased by 0.81%
1 Month
29.45%
decreased by 1.54%
Analysis last updated: Monday, October 19, 2026 at 09:37 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 135% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 135% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 116 | |
| αARCH | 0.0524 | 3.98*** |
| βGARCH | 0.8157 | 35.95*** |
| γleverage | 0.0706 | 3.42*** |
| λ₁tau intercept | 0.0291 | 1.04 |
| λ₂forecast adj. | 0.0326 | 1.27 |
| λ₃tau persistence | 0.9572 | 27.33*** |
0.903
Persistence7d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 116 | |
α ARCH Response to squared shocks | 0.0524 | 3.98*** |
β GARCH Volatility persistence | 0.8157 | 35.95*** |
γ leverage Additional response to negative shocks | 0.0706 | 3.42*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0291 | 1.04 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0326 | 1.27 |
λ₃ tau persistence Long-term factor persistence | 0.9572 | 27.33*** |
Persistence:
0.903
Half-life:
7 days
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