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V-Lab

SEI Select Small CAP ETF MF2-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

17.31%

decreased by 0.02%

1 Week

17.48%

increased by 0.15%

1 Month

18.08%

increased by 0.75%

Analysis last updated: Tuesday, September 8, 2026 at 10:28 PM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of SEI Select Small CAP ETF MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 10, 2024 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

MF2-GARCH Model

Tap to view equation

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
mwindow41
αARCH0.0000
0.00
βGARCH0.8792
38.11***
γleverage0.1116
4.95***
λ₁tau intercept0.1587
1.99**
λ₂forecast adj.0.0345
0.99
λ₃tau persistence0.8581
11.87***

0.935

Persistence

10d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

41
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.8792
38.11***
γ

leverage

Additional response to negative shocks

0.1116
4.95***
λ₁

tau intercept

Baseline long-term coefficient

0.1587
1.99**
λ₂

forecast adj.

Forecast performance sensitivity

0.0345
0.99
λ₃

tau persistence

Long-term factor persistence

0.8581
11.87***

Persistence:

0.935

Half-life:

10 days