State Street Bridgewater All Weather ETF EGARCH Volatility Analysis
Volatility prediction for Wednesday, July 22nd, 2026
1 Day
12.62%
decreased by 0.09%
1 Week
12.98%
increased by 0.27%
1 Month
13.33%
increased by 0.62%
Analysis last updated: Tuesday, July 21, 2026 at 09:27 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 6, 2025 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | -0.0905 | -3.29*** |
α ARCH Response to squared shocks | 0.2490 | 6.11*** |
β GARCH Volatility persistence | 0.7236 | 11.07*** |
γ leverage Additional response to negative shocks | -0.0618 | -1.25 |
Persistence:
0.724
Half-life:
2 days
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