V-Lab
Bayer AG GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
28.14%
decreased by 0.20%
1 Week
28.23%
decreased by 0.11%
1 Month
28.59%
increased by 0.25%
Analysis last updated: Saturday, August 22, 2026 at 08:38 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 strong leverage effect: negative returns increase next-day volatility 209% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0485 | 18.14*** |
α ARCH Response to squared shocks | 0.0249 | 15.03*** |
β GARCH Volatility persistence | 0.9371 | 547.66*** |
γ leverage Additional response to negative shocks | 0.0521 | 14.64*** |
Persistence:
0.988
Half-life:
58 days
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