Skip to main content
V-Lab
V-Lab

SAP SE GJR-GARCH Volatility Analysis

Volatility prediction for Friday, September 25th, 2026

1 Day

29.94%

decreased by 0.62%

1 Week

30.63%

increased by 0.07%

1 Month

32.95%

increased by 2.39%

Analysis last updated: Friday, September 25, 2026 at 08:07 PM UTC

Press Delete or Backspace to remove this series.
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of SAP SE GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026

Model Insight

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

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 115% more than positive returns
ParamValuet-stat
ωconst0.1530
5.57***
αARCH0.0894
4.42***
βGARCH0.8398
57.57***
γleverage0.1031
2.94***

0.981

Persistence

36d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1530
5.57***
α

ARCH

Response to squared shocks

0.0894
4.42***
β

GARCH

Volatility persistence

0.8398
57.57***
γ

leverage

Additional response to negative shocks

0.1031
2.94***

Persistence:

0.981

Half-life:

36 days