Goldman Sachs Physical Gold ETF EGARCH Volatility Analysis
Volatility prediction for Wednesday, July 22nd, 2026
1 Day
22.24%
increased by 2.13%
1 Week
21.97%
increased by 1.86%
1 Month
21.09%
increased by 0.98%
Analysis last updated: Tuesday, July 21, 2026 at 09:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 15, 2018 to Jul 17, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 61% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0056 | 1.86* |
α ARCH Response to squared shocks | 0.1970 | 21.29*** |
β GARCH Volatility persistence | 0.9727 | 375.57*** |
γ leverage Additional response to negative shocks | 0.0461 | 4.55*** |
Persistence:
0.973
Half-life:
25 days
Other Goldman Sachs Physical Gold ETF Analyses
Other EGARCH Analyses on ETFs