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V-Lab

COMSYS Holdings Corp GJR-GARCH Volatility Analysis

Volatility prediction for Thursday, September 24th, 2026

1 Day

27.31%

increased by 2.65%

1 Week

27.75%

increased by 3.09%

1 Month

29.29%

increased by 4.63%

Analysis last updated: Saturday, September 19, 2026 at 10:36 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of COMSYS Holdings Corp GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Sep 18, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 175% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 175% more than positive returns
ParamValuet-stat
ωconst0.0870
4.19***
αARCH0.0488
4.90***
βGARCH0.8954
88.81***
γleverage0.0853
3.13***

0.987

Persistence

53d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0870
4.19***
α

ARCH

Response to squared shocks

0.0488
4.90***
β

GARCH

Volatility persistence

0.8954
88.81***
γ

leverage

Additional response to negative shocks

0.0853
3.13***

Persistence:

0.987

Half-life:

53 days