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V-Lab
V-Lab

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

Volatility prediction for Wednesday, September 9th, 2026

1 Day

12.10%

decreased by 0.17%

1 Week

12.69%

increased by 0.42%

1 Month

14.39%

increased by 2.12%

Analysis last updated: Tuesday, September 8, 2026 at 10:42 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

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

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

This asset exhibits a notable leverage effect: negative returns increase next-day volatility 97% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

Leverage: Negative returns increase volatility 97% more than positive returns
ParamValuet-stat
ωconst0.0527
7.38***
αARCH0.1714
6.03***
βGARCH0.7069
34.86***
γleverage0.1666
3.31***

0.962

Persistence

18d

Half-life
μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0527
7.38***
α

ARCH

Response to squared shocks

0.1714
6.03***
β

GARCH

Volatility persistence

0.7069
34.86***
γ

leverage

Additional response to negative shocks

0.1666
3.31***

Persistence:

0.962

Half-life:

18 days