MacroGenics Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
72.79%
decreased by 0.98%
1 Week
75.14%
increased by 1.37%
1 Month
78.19%
increased by 4.42%
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, 2026Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 3-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 3.46*** |
| αARCH | 0.1549 | 2.52** |
| βGARCH | 0.6448 | 10.97*** |
| γleverage | 0.0050 | 0.03 |
0.802
Persistence3d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 3.46*** |
α ARCH Response to squared shocks | 0.1549 | 2.52** |
β GARCH Volatility persistence | 0.6448 | 10.97*** |
γ leverage Additional response to negative shocks | 0.0050 | 0.03 |
Persistence:
0.802
Half-life:
3 days
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