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V-Lab

State Street Industrial Select Sector SPDR ETF MEM Volatility Analysis

Volatility prediction for Monday, July 20th, 2026

1 Day

20.03%

increased by 1.99%

1 Week

20.14%

increased by 2.10%

1 Month

20.51%

increased by 2.47%

Analysis last updated: Friday, July 17, 2026 at 11:11 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of State Street Industrial Select Sector SPDR ETF MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 22, 1998 to Jul 17, 2026

Model Insight

Volatility shocks decay with a half-life of 40 trading days, meaning a shock loses half its impact after approximately 40 days.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0358
9.11***
α

ARCH

Response to squared shocks

0.2190
43.95***
β

GARCH

Volatility persistence

0.7639
209.57***

Persistence:

0.983

Half-life:

40 days