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Infineon Technologies AG Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Thursday, October 15th, 2026

1 Day

50.22%

decreased by 1.82%

1 Week

49.93%

decreased by 2.11%

1 Month

48.95%

decreased by 3.09%

Analysis last updated: Thursday, October 15, 2026 at 07:02 PM UTC

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Date Range:

from

10/14/2024

to

10/14/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Infineon Technologies AG S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 10, 2000 to Oct 9, 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 21 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.8789
2.94***
αARCH0.0695
7.95***
βGARCH0.8973
66.86***
∑γi Spline Coefficients
K=8
γ1-0.3044
-3.28***
γ20.5394
4.27***
γ3-0.3684
-4.83***
γ40.1525
2.12**
γ50.0177
0.29
γ6-0.0417
-0.77
γ7-0.0014
-0.03
γ80.0013
0.04

0.967

Persistence

21d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8789
2.94***
α

ARCH

Response to squared shocks

0.0695
7.95***
β

GARCH

Volatility persistence

0.8973
66.86***
∑γi Spline Coefficients
K=8
γ1-0.3044
-3.28***
γ20.5394
4.27***
γ3-0.3684
-4.83***
γ40.1525
2.12**
γ50.0177
0.29
γ6-0.0417
-0.77
γ7-0.0014
-0.03
γ80.0013
0.04

Persistence:

0.967

Half-life:

21 days