V-Lab
HeidelbergCement AG MF2-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
36.84%
decreased by 1.51%
1 Week
37.79%
decreased by 0.56%
1 Month
39.94%
increased by 1.59%
Analysis last updated: Sunday, July 26, 2026 at 12:12 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 193% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 56 | |
α ARCH Response to squared shocks | 0.0536 | 21.82*** |
β GARCH Volatility persistence | 0.8215 | 137.13*** |
γ leverage Additional response to negative shocks | 0.1036 | 24.09*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0366 | 6.38*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0365 | 6.13*** |
λ₃ tau persistence Long-term factor persistence | 0.9551 | 135.53*** |
Persistence:
0.927
Half-life:
9 days
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