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V-Lab
V-Lab

Schwab U.S. Mid-Cap ETF MEM Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

13.04%

increased by 0.17%

1 Week

13.69%

increased by 0.82%

1 Month

15.62%

increased by 2.75%

Analysis last updated: Friday, September 4, 2026 at 10:46 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Schwab U.S. Mid-Cap ETF MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 13, 2011 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 20 trading days, meaning a shock loses half its impact after approximately 20 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 20-day half-life
ParamValuet-stat
ωconst0.0586
2.98***
αARCH0.3145
9.92***
βGARCH0.6520
29.88***

0.967

Persistence

20d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0586
2.98***
α

ARCH

Response to squared shocks

0.3145
9.92***
β

GARCH

Volatility persistence

0.6520
29.88***

Persistence:

0.967

Half-life:

20 days