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V-Lab

Siemens AG MF2-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

28.51%

decreased by 0.43%

1 Week

29.26%

increased by 0.32%

1 Month

31.00%

increased by 2.06%

Analysis last updated: Wednesday, August 5, 2026 at 06:43 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Siemens AG MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 31, 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

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

56
α

ARCH

Response to squared shocks

0.0184
8.76***
β

GARCH

Volatility persistence

0.8689
130.25***
γ

leverage

Additional response to negative shocks

0.0823
20.34***
λ₁

tau intercept

Baseline long-term coefficient

0.0092
2.50**
λ₂

forecast adj.

Forecast performance sensitivity

0.0251
2.79***
λ₃

tau persistence

Long-term factor persistence

0.9720
98.10***

Persistence:

0.928

Half-life:

9 days