V-Lab
Bayer AG GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
40.38%
decreased by 1.11%
1 Week
40.21%
decreased by 1.28%
1 Month
39.59%
decreased by 1.90%
Analysis last updated: Sunday, July 26, 2026 at 12:27 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 202% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0459 | 17.69*** |
α ARCH Response to squared shocks | 0.0247 | 15.01*** |
β GARCH Volatility persistence | 0.9391 | 562.67*** |
γ leverage Additional response to negative shocks | 0.0499 | 14.22*** |
Persistence:
0.989
Half-life:
61 days
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