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V-Lab

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

Date Range:

from

to

6M ·

1Y ·

All

graph of State Street Bridgewater All Weather ETF EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 6, 2025 to Jul 17, 2026

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

EGARCH Model

Tap to view equation

ParameterValuet-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