Skip to main content
V-Lab

State Street SPDR S&P Metals & Mining ETF MEM Volatility Analysis

Volatility prediction for Tuesday, August 11th, 2026

1 Day

34.69%

decreased by 2.34%

1 Week

34.83%

decreased by 2.20%

1 Month

35.31%

decreased by 1.72%

Analysis last updated: Monday, August 10, 2026 at 09:52 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

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

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

Volatility shocks decay with a half-life of 41 trading days, meaning a shock loses half its impact after approximately 41 days.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0984
6.74***
α

ARCH

Response to squared shocks

0.1928
40.87***
β

GARCH

Volatility persistence

0.7906
247.93***

Persistence:

0.983

Half-life:

41 days