V-Lab
Bank of America Corp GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
21.47%
decreased by 0.41%
1 Week
21.83%
decreased by 0.05%
1 Month
23.10%
increased by 1.22%
Analysis last updated: Monday, August 24, 2026 at 09:38 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 204% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0489 | 12.27*** |
α ARCH Response to squared shocks | 0.0362 | 14.45*** |
β GARCH Volatility persistence | 0.9169 | 501.87*** |
γ leverage Additional response to negative shocks | 0.0737 | 12.54*** |
Persistence:
0.990
Half-life:
69 days
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