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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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of ABM Industries Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 24, 2026

Model 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

ParameterValuet-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