V-Lab
Abbott Laboratories GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
23.62%
increased by 0.02%
1 Week
23.71%
increased by 0.11%
1 Month
24.02%
increased by 0.42%
Analysis last updated: Friday, August 21, 2026 at 10:22 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 241% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0392 | 19.32*** |
α ARCH Response to squared shocks | 0.0235 | 12.67*** |
β GARCH Volatility persistence | 0.9341 | 436.72*** |
γ leverage Additional response to negative shocks | 0.0566 | 11.38*** |
Persistence:
0.986
Half-life:
49 days
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