Johnson & Johnson EGARCH Volatility Analysis
Volatility prediction for Tuesday, November 3rd, 2026
1 Day
24.61%
increased by 0.08%
1 Week
24.56%
increased by 0.03%
1 Month
24.37%
decreased by 0.16%
Analysis last updated: Monday, November 2, 2026 at 10:33 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 30, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 112% more than equivalent positive returns.
σ
EGARCH Model
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Leverage: Negative returns increase volatility 112% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0177 | 3.24*** |
| αARCH | 0.1621 | 11.97*** |
| βGARCH | 0.9772 | 278.89*** |
| γleverage | -0.0582 | -4.67*** |
0.977
Persistence30d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0177 | 3.24*** |
α ARCH Response to squared shocks | 0.1621 | 11.97*** |
β GARCH Volatility persistence | 0.9772 | 278.89*** |
γ leverage Additional response to negative shocks | -0.0582 | -4.67*** |
Persistence:
0.977
Half-life:
30 days
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