V-Lab
Bayer AG MEM Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
26.59%
increased by 1.04%
1 Week
26.88%
increased by 1.33%
1 Month
27.85%
increased by 2.30%
Analysis last updated: Friday, September 11, 2026 at 07:15 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 30 trading days, meaning a shock loses half its impact after approximately 30 days.
μ
MEM Model
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Shock decay: Shocks decay with a 30-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0950 | 1.99** |
| αARCH | 0.1840 | 9.48*** |
| βGARCH | 0.7933 | 76.73*** |
0.977
Persistence30d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0950 | 1.99** |
α ARCH Response to squared shocks | 0.1840 | 9.48*** |
β GARCH Volatility persistence | 0.7933 | 76.73*** |
Persistence:
0.977
Half-life:
30 days
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