V-Lab
Bank of America Corp GARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
18.97%
decreased by 0.36%
1 Week
19.40%
increased by 0.07%
1 Month
20.94%
increased by 1.61%
Analysis last updated: Friday, August 14, 2026 at 10:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 14, 2026Model Insight
With persistence 0.990, volatility shocks have a half-life of 69 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0474 | 16.64*** |
α ARCH Response to squared shocks | 0.0796 | 32.40*** |
β GARCH Volatility persistence | 0.9104 | 423.26*** |
Persistence:
0.990
Half-life:
69 days
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