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V-Lab

ServiceNow Inc Asy. MEM Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

62.53%

increased by 0.14%

1 Week

59.75%

decreased by 2.64%

1 Month

52.31%

decreased by 10.08%

Analysis last updated: Monday, July 20, 2026 at 09:48 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of ServiceNow Inc AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 29, 2012 to Jul 17, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 115% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.4988
27.21***
α

ARCH

Response to squared shocks

0.1293
21.60***
β

GARCH

Volatility persistence

0.7169
128.11***
γ

leverage

Additional response to negative shocks

0.1491
12.50***

Persistence:

0.921

Half-life:

8 days