Wealthfront Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
47.93%
decreased by 0.87%
1 Week
55.97%
increased by 7.17%
1 Month
62.18%
increased by 13.38%
Analysis last updated: Friday, October 23, 2026 at 10:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 12, 2025 to Oct 23, 2026Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 2-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 1.98** |
| αARCH | 0.0125 | 0.27 |
| βGARCH | 0.4188 | 2.91*** |
| γleverage | 0.5314 | 0.72 |
0.697
Persistence2d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.98** |
α ARCH Response to squared shocks | 0.0125 | 0.27 |
β GARCH Volatility persistence | 0.4188 | 2.91*** |
γ leverage Additional response to negative shocks | 0.5314 | 0.72 |
Persistence:
0.697
Half-life:
2 days
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