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K+S AG Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Thursday, October 8th, 2026

1 Day

26.17%

decreased by 0.88%

1 Week

26.81%

decreased by 0.24%

1 Month

28.45%

increased by 1.40%

Analysis last updated: Thursday, October 8, 2026 at 07:02 PM UTC

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Date Range:

from

10/07/2024

to

10/07/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of K+S AG S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 2, 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 10 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
ωconst1.2529
7.11***
αARCH0.0850
7.31***
βGARCH0.8502
51.44***
∑γi Spline Coefficients
K=10
γ10.0289
0.50
γ2-0.0003
0.00
γ3-0.1123
-1.73*
γ40.2054
3.61***
γ5-0.2030
-3.99***
γ60.1166
2.38**
γ7-0.0724
-0.99
γ80.1044
1.39
γ9-0.1485
-2.58***
γ100.1184
2.97***

0.935

Persistence

10d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2529
7.11***
α

ARCH

Response to squared shocks

0.0850
7.31***
β

GARCH

Volatility persistence

0.8502
51.44***
∑γi Spline Coefficients
K=10
γ10.0289
0.50
γ2-0.0003
0.00
γ3-0.1123
-1.73*
γ40.2054
3.61***
γ5-0.2030
-3.99***
γ60.1166
2.38**
γ7-0.0724
-0.99
γ80.1044
1.39
γ9-0.1485
-2.58***
γ100.1184
2.97***

Persistence:

0.935

Half-life:

10 days