V-Lab
K+S AG GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
34.65%
increased by 4.69%
1 Week
34.76%
increased by 4.80%
1 Month
35.16%
increased by 5.20%
Analysis last updated: Saturday, August 22, 2026 at 08:27 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 21, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 44% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1095 | 18.30*** |
α ARCH Response to squared shocks | 0.0497 | 16.47*** |
β GARCH Volatility persistence | 0.9196 | 354.66*** |
γ leverage Additional response to negative shocks | 0.0219 | 4.72*** |
Persistence:
0.980
Half-life:
35 days
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