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V-Lab

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

Volatility prediction for Wednesday, September 9th, 2026

1 Day

15.19%

decreased by 0.18%

1 Week

15.35%

decreased by 0.02%

1 Month

15.88%

increased by 0.51%

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 EGARCH

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 strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

EGARCH Model

Tap to view equation

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
ωconst0.0079
0.53
αARCH0.1638
7.35***
βGARCH0.9698
134.51***
γleverage-0.1410
-6.92***

0.970

Persistence

23d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0079
0.53
α

ARCH

Response to squared shocks

0.1638
7.35***
β

GARCH

Volatility persistence

0.9698
134.51***
γ

leverage

Additional response to negative shocks

-0.1410
-6.92***

Persistence:

0.970

Half-life:

23 days