V-Lab
State Street SPDR S&P Metals & Mining ETF Asy. MEM Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
36.00%
decreased by 0.45%
1 Week
36.02%
decreased by 0.43%
1 Month
36.09%
decreased by 0.36%
Analysis last updated: Friday, August 7, 2026 at 10:49 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 22, 2006 to Aug 7, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 45% more than equivalent positive returns.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0930 | 25.58*** |
α ARCH Response to squared shocks | 0.1438 | 30.87*** |
β GARCH Volatility persistence | 0.8065 | 268.13*** |
γ leverage Additional response to negative shocks | 0.0642 | 8.73*** |
Persistence:
0.982
Half-life:
39 days
Other State Street SPDR S&P Metals & Mining ETF Analyses
Other Asy. MEM Analyses on ETFs