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V-Lab
V-Lab

Infineon Technologies AG Spline-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

51.55%

decreased by 1.12%

1 Week

51.72%

decreased by 0.95%

1 Month

52.31%

decreased by 0.36%

Analysis last updated: Friday, September 11, 2026 at 07:14 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Infineon Technologies AG SGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 10, 2000 to Sep 4, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 44 trading days.

τ

Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.0667
6.08***
αARCH0.0714
8.77***
βGARCH0.9129
99.48***
γi Spline Coefficients
K=1
γ10.0030
2.15**

0.984

Persistence

44d

Half-life
τ

Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0667
6.08***
α

ARCH

Response to squared shocks

0.0714
8.77***
β

GARCH

Volatility persistence

0.9129
99.48***
γi Spline Coefficients
K=1
γ10.0030
2.15**

Persistence:

0.984

Half-life:

44 days