V-Lab
HeidelbergCement AG GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
28.28%
decreased by 0.73%
1 Week
28.51%
decreased by 0.50%
1 Month
29.37%
increased by 0.36%
Analysis last updated: Saturday, August 8, 2026 at 08:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 51 trading days, meaning a shock loses half its impact after approximately 51 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0697 | 20.24*** |
α ARCH Response to squared shocks | 0.0773 | 35.83*** |
β GARCH Volatility persistence | 0.9092 | 368.27*** |
Persistence:
0.987
Half-life:
51 days
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