Bristol-Myers Squibb Co GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 13th, 2026
1 Day
28.82%
decreased by 0.85%
1 Week
28.78%
decreased by 0.89%
1 Month
28.64%
decreased by 1.03%
Analysis last updated: Friday, July 10, 2026 at 10:52 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 10, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 128% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0683 | 16.67*** |
α ARCH Response to squared shocks | 0.0390 | 14.20*** |
β GARCH Volatility persistence | 0.9138 | 297.16*** |
γ leverage Additional response to negative shocks | 0.0501 | 10.28*** |
Persistence:
0.978
Half-life:
31 days
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