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V-Lab

Datamatics Global Services GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 20th, 2026

1 Day

42.11%

decreased by 1.20%

1 Week

43.70%

increased by 0.39%

1 Month

47.85%

increased by 4.54%

Analysis last updated: Sunday, July 19, 2026 at 12:25 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Datamatics Global Services GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 1, 2004 to Jul 17, 2026

Model Insight

This asset exhibits a modest leverage effect: negative returns increase next-day volatility 28% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.6929
16.91***
α

ARCH

Response to squared shocks

0.0817
16.35***
β

GARCH

Volatility persistence

0.8492
132.75***
γ

leverage

Additional response to negative shocks

0.0230
2.33**

Persistence:

0.942

Half-life:

12 days