V-Lab
Bristol-Myers Squibb Co GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 11th, 2026
1 Day
26.89%
decreased by 0.89%
1 Week
26.93%
decreased by 0.85%
1 Month
27.09%
decreased by 0.69%
Analysis last updated: Monday, August 10, 2026 at 09:40 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 7, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 127% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0680 | 16.64*** |
α ARCH Response to squared shocks | 0.0391 | 14.25*** |
β GARCH Volatility persistence | 0.9141 | 298.23*** |
γ leverage Additional response to negative shocks | 0.0497 | 10.23*** |
Persistence:
0.978
Half-life:
31 days
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