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V-Lab

SEI Select Small CAP ETF GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 12th, 2026

1 Day

18.43%

decreased by 0.27%

1 Week

18.92%

increased by 0.22%

1 Month

20.13%

increased by 1.43%

Analysis last updated: Tuesday, August 11, 2026 at 09:57 PM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of SEI Select Small CAP ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 10, 2024 to Aug 7, 2026

Model Insight

Volatility shocks decay with a half-life of 10 trading days, meaning a shock loses half its impact after approximately 10 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1302
2.81***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.8773
39.10***
γ

leverage

Additional response to negative shocks

0.1093
2.44**

Persistence:

0.932

Half-life:

10 days