V-Lab
Wealthfront Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
53.58%
decreased by 3.05%
1 Week
59.60%
increased by 2.97%
1 Month
64.81%
increased by 8.18%
Analysis last updated: Friday, July 24, 2026 at 10:13 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 12, 2025 to Jul 24, 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
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 7.43*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.4494 | 14.35*** |
γ leverage Additional response to negative shocks | 0.5375 | 2.74*** |
Persistence:
0.718
Half-life:
2 days
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