MacroGenics Inc EGARCH Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
75.64%
increased by 0.60%
1 Week
76.22%
increased by 1.18%
1 Month
78.42%
increased by 3.38%
Analysis last updated: Friday, October 16, 2026 at 10:18 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 10, 2013 to Oct 16, 2026Model Insight
Volatility shocks decay with a half-life of 58 trading days, meaning a shock loses half its impact after approximately 58 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 58-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0445 | 1.68* |
| αARCH | 0.0817 | 3.37*** |
| βGARCH | 0.9882 | 120.70*** |
| γleverage | -0.0140 | -0.53 |
0.988
Persistence58d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0445 | 1.68* |
α ARCH Response to squared shocks | 0.0817 | 3.37*** |
β GARCH Volatility persistence | 0.9882 | 120.70*** |
γ leverage Additional response to negative shocks | -0.0140 | -0.53 |
Persistence:
0.988
Half-life:
58 days
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