V-Lab
State Street Bridgewater All Weather ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
12.49%
decreased by 1.95%
1 Week
13.02%
decreased by 1.42%
1 Month
13.32%
decreased by 1.12%
Analysis last updated: Friday, July 24, 2026 at 09:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 6, 2025 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3006 | 5.05*** |
α ARCH Response to squared shocks | 0.0360 | 0.78 |
β GARCH Volatility persistence | 0.3844 | 6.74*** |
γ leverage Additional response to negative shocks | 0.3184 | 2.43** |
Persistence:
0.580
Half-life:
1 days
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