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V-Lab

ServiceNow Inc GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 23rd, 2026

1 Day

39.47%

decreased by 0.60%

1 Week

39.63%

decreased by 0.44%

1 Month

40.20%

increased by 0.13%

Analysis last updated: Thursday, October 22, 2026 at 09:43 PM UTC

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Date Range:

from

10/22/2024

to

10/22/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of ServiceNow Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 29, 2012 to Oct 16, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

GJR-GARCH Model

Tap to view equation

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
ωconst0.1536
2.26**
αARCH0.0029
0.40
βGARCH0.9433
63.35***
γleverage0.0664
3.77***

0.979

Persistence

33d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1536
2.26**
α

ARCH

Response to squared shocks

0.0029
0.40
β

GARCH

Volatility persistence

0.9433
63.35***
γ

leverage

Additional response to negative shocks

0.0664
3.77***

Persistence:

0.979

Half-life:

33 days