V-Lab
ABM Industries Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
22.79%
decreased by 0.75%
1 Week
24.91%
increased by 1.37%
1 Month
29.24%
increased by 5.70%
Analysis last updated: Friday, July 24, 2026 at 10:15 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 24, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 50% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4046 | 28.25*** |
α ARCH Response to squared shocks | 0.1639 | 15.31*** |
β GARCH Volatility persistence | 0.7056 | 99.45*** |
γ leverage Additional response to negative shocks | 0.0819 | 4.24*** |
Persistence:
0.910
Half-life:
7 days
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