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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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of State Street SPDR S&P Metals & Mining ETF AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 22, 2006 to Aug 7, 2026

Model 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

ParameterValuet-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