Bristol-Myers Squibb Co EGARCH Volatility Analysis
Volatility prediction for Monday, November 2nd, 2026
1 Day
31.16%
decreased by 0.38%
1 Week
31.16%
decreased by 0.38%
1 Month
31.18%
decreased by 0.36%
Analysis last updated: Friday, October 30, 2026 at 09:58 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 30, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 93% more than equivalent positive returns.
σ
EGARCH Model
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Leverage: Negative returns increase volatility 93% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0285 | 3.13*** |
| αARCH | 0.1255 | 6.92*** |
| βGARCH | 0.9790 | 167.26*** |
| γleverage | -0.0397 | -2.81*** |
0.979
Persistence33d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0285 | 3.13*** |
α ARCH Response to squared shocks | 0.1255 | 6.92*** |
β GARCH Volatility persistence | 0.9790 | 167.26*** |
γ leverage Additional response to negative shocks | -0.0397 | -2.81*** |
Persistence:
0.979
Half-life:
33 days
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